TNG Digital has announced that its e-wallet platform, TNG eWallet, now enables international tourists to sign up for an account and make cashless transactions. This allows foreigners to easily make QR payments to local vendors and even reload their enhanced Touch ‘n Go cards. To sign up for the e-wallet as a foreigner, you only […] The post TNG eWallet Now Allows Tourists To Register And Use QR Payments In Malaysia appeared first on Lowyat.NET.  ( 16 min )

After teasing the launch of its GT 7 series of smartphones in Malaysia, realme has unveiled the GT 10,000mAh, a prototype smartphone with a massive battery. As its name suggests, the concept phone packs a 10,000mAh battery and is designed to address users’ battery woes. The prototype features a slim body that is less than […] The post realme Introduces 10,000mAh Concept Phone appeared first on Lowyat.NET.  ( 15 min )

Tune Talk and Foodpanda have announced that subscribers to the former’s Epik 50+ Plan will also be getting the latter’s PandaPro subscription bundled in at no extra cost. Despite the announcement, the companies say that the bundle promo started back in April. In case you missed it, Tune Talk replaced its previous Epik packages with […] The post Tune Talk Epik 50+ Plan Gets Bundled With PandaPro Subscription appeared first on Lowyat.NET.  ( 16 min )

This one seems to have quietly flown under the radar. As it turns out, Dyson’s customisable OnTrac headphones have finally launched in Malaysia. According to staff at the brand’s experience store in The Gardens Mall, the headphones were released locally quite recently – albeit without much fanfare. In case you missed the initial announcement, here’s […] The post Dyson’s Customisable OnTrac Headphones Quietly Launches In Malaysia appeared first on Lowyat.NET.  ( 16 min )

Modern frontend development demands scalable theming, responsive design tokens, and runtime flexibility. With the recent enhancements in Tailwind CSS v3.4+, namely @theme and @custom-variant, developers can now implement fully dynamic, type-safe theming using CSS variables, TypeScript, and zero runtime JS logic. This article outlines a theming strategy I came up with, which I believe is a clean and scalable approach built around those tools. It enables easy support for light/dark modes and beyond (daylight, retro, etc.) with minimal complexity. tailwind.config.js Isn't Enough for Theming Traditionally, developers define colors like primary, accent, or background directly in tailwind.config.js: module.exports = { theme: { colors: { primary: '#571089', accent: '#ea698b', …  ( 5 min )

In Rust, when using GTK's DropDown widget, you may want to execute a closure to retrieve the selected index upon the selection change. A common issue developers face is accessing the selected choice directly from the ParamSpec. Let's dive into how to do this effectively. Understanding the DropDown and Connect Closure When you create a DropDown in GTK, you define the choices it contains. In your example, you have created a DropDown with two options: let choix = ["Choice 1","Choice 2"]; let drop_down2 = gtk::DropDown::from_strings(&choix); Here, choix is an array containing the two options. The DropDown will display these choices in the user interface. To respond to user interaction, you set up a closure that will be executed whenever the selected choice changes. The…  ( 4 min )

In the vast universe of software development, Visual Studio Code has emerged as a key tool—an unexpected bridge connecting worlds that once seemed incompatible. It has become a lifeline for developers coming from the GNU/Linux ecosystem, desperately seeking a way to write desktop applications, something they thought was lost in their environment. Its versatility allows for development in C#, C++, and FPC Pascal, avoiding alternatives like Lazarus, and offering a more modern and robust option. Personally, I’ve found myself using it as an alternative to Visual Studio 2022, since developing a .NET 6, 7, or 8 application on Linux is financially more viable for my business than doing so on Windows. But here’s the question: Why does Visual Studio Code feel like an orphaned and underappreciated sibling compared to Visual Studio 2022? Both serve incredible purposes. Visual Studio 2022 is the enterprise-grade powerhouse, while VS Code is the agile alternative—the gateway for many developers coming from GNU/Linux, looking to explore Windows and its tools, or simply wanting to use .NET Core on Linux. That in itself is a massive achievement, a step forward in software evolution. Because in the end, bluntly speaking, Linux is great... but if it doesn’t pay the bills, what can I do? As developers, we need to produce high-quality software using high-quality tools. That’s why Visual Studio Code becomes the logical and efficient choice—a path that allows us to keep programming in diverse environments while maintaining productivity and financial sustainability. Ultimately, VS Code isn’t just a code editor… it’s the bridge that unites worlds that once seemed irreconcilable.  ( 3 min )

之前写的后台的控制程序，我采用的都是用VC或者是C#写完之后然后采用AlwaysUp或者是nssm把自己写的后台程序再给做成一个Windows的服务程序。但后来想了想为什么不自己直接写一个Windows的服务程序呢。所以就开始了写服务程序的历程。 首先大致的说一下C#语言写一个Windwos服务程序的方法。说实话C#想写一个Windows服务程序相对的要简单的多。因为C#已经都给准备好了。就在创建项目的选择Windows服务项目就可以了。然后再添加一个服务安装的组件，改一下相关的配置，如：服务名、启动类型、启动权限或者叫启动时的用户。这些信息就可以了。在写代码的时候只要在开始的里面写上服务启动时需要做的工作，在结束里面写上服务停止时需要收尾的工作就大功告成了。 下面主要是说一下采用VC写Windows服务程序。这个我个人觉得相对来说有几个坑需要避。 第一个坑就是如果你从网上查的话都会说用VC写Windows服务程序的入口主函数是ServiceMain()这个函数。而实际并不是，实际上的程序入口还是从main()这个函数开始的。只不过在这个函数中我们不能做太多的事情，必须要尽快的调用StartServiceCtrlDispatcher()这函数来启动ServiceMain()函数。而且ServiceMain()这个函数的名字也并不一定就是这个，可以自定义。只不过你在网上查的人都会采用这个函数名而已。并非VC语言的规定或者约束。这个函数也只不过是在调用StartServiceCtrlDispatcher()函数的时候的一个参数而已叫什么名字并不重要。 第二坑就是服务状态的变换问题，只有你有ServiceMain()函数中调用了SetServiceStatus()函数来告诉Windows操作系统你的服务程序是开始启动了还时正在运行之中还是正在停止之中才可以。在这方面我从网上查了好长时间没有一个写的清楚的。我开始的时候以为这个函数没什么大用于是把相关的代码给删掉了，结果就会发生服务程序的状态无法改变。比如你在启动服务的时候没有及时的状态改成正在运行的话那么Windows的服务控制台就会一直启动这个服务直到启动超时而报错最后服务的状态就会卡在启动状态无法将服务停止或者删除。如果你能将服务状态进入到正在运行状态，但在发出停止服务的时候如果不能将服务的状修改成停止的话那么Windows也会一直停止这个服务直到停止超时而报错。而且这个服务的状态也会卡在停止的状态无法改变。 第三个坑就是在ServiceMain()函数中在用SetServiceStatus()函数把服务的状态修改成“正在运行”的状态之后必须要调用WaitForSingleObject()函数把这个服务的主线程给卡住然就是是一直等待发出服务停止的信号。所以在真正的主线程中你是无法再做其它的任何的工作的。故如果要想写好一个完整的Windwos服务程序就必须在ServiceMain()函数调用WaitForSingleObject()函数之前将你想做的事情都给加载完毕之后再调用WaitForSingleObject()函数将主线程卡住一直等待停止服务的指令。当停止服务的指令来临的时候再调用SetServiceStatus()函数把服务的状态修改成已经停止。 第四个这个不算是坑了这个算是一个常识。就是服务程序的调试问题。如果想调试Windows服务程序那么就只能采用“附加到进程”的方式。即先从Windows的服务管理器中启动服务，然后从Visual Studio的“调试”菜单中选择“附加到进程”的选项然后再选择自己程序的那个进程就可以了。 总结一下，那就是不论是VC写Windows服务程序还是C#写Windwos服务程序，都会有一个开始服务的初始化函数。而初始化函数中不能有死循环，但一般的服务程序又必须要用死循环，所以一个完整的Windwos服务程序一定是一个多线程的，在初始化的时候就启动其它的想要加载的死循环的线程。还会有一个程序的销毁函数，同样在销毁函数中也不能有无法完成的循环。最后就是Windwos服务程序的调试必须采用附加到进程的方式来进行。  ( 2 min )

Introduction When it comes to building multi-page websites, developers often face the challenge of maintaining scalability, performance, and reusability. Traditionally, multi-page websites were built using plain HTML, CSS, and JavaScript. This approach works well for small, simple sites but becomes increasingly difficult to manage as the number of pages grows. This is where React comes in. React, developed by Facebook, has become one of the most popular JavaScript libraries for building user interfaces. Its component-based architecture and powerful routing capabilities make it an ideal choice for multi-page applications. In this article, we’ll explore why React is a better choice for building multi-page websites and how it solves many of the challenges that come with traditional HTML-bas…  ( 4 min )

Introduction When working with authentication in Next.js, integrating Clerk can be quite straightforward—but you may encounter issues along the way. One common error developers face is the message: "Clerk: auth() was called but it looks like you aren't using authMiddleware in your middleware file." This can leave you scratching your head, especially if you're sure you've configured everything correctly. In this article, we'll explore the reasons behind this error and provide you with a comprehensive guide on how to properly use the authMiddleware with Clerk in your Next.js TypeScript application. Let's dive in and ensure your authentication setup is smooth and error-free! Why Does This Error Occur? The error occurs when the middleware system in Next.js is not correctly configured to route …  ( 5 min )

In Java, an array is a data structure that stores a fixed-size, sequential collection of elements of the same data type. It is a container object that holds a fixed number of values of a single type. The length of an array is established when the array is created and remains fixed throughout its lifetime. Arrays are used to organize data efficiently and can be defined and initialized in various ways. Array - Group of similar datatypes Why do you use an array? Arrays are handy when you want to work with multiple values of the same data type. Instead of declaring individual variables for each value, you can group them together in an array, making your code more concise and easier to manage. Index / Subscript: 0 1 2 3 4 marks[0] = 90; marks[1] = 95; marks[2] = 100; marks[3] = 78…  ( 3 min )

In this article, we'll explore common issues that can arise when running an Ansible playbook from a Bash wrapper script. If you often find that your script stops unexpectedly without any error logs, you're not alone. This guide will provide insight into potential causes and solutions. Understanding the Problem When executing a complex Bash script that triggers an Ansible playbook, there are several layers involved that can contribute to abrupt script termination. In your case, you've set up a logging mechanism and even an EXIT trap, but the absence of logs suggests that the script might be exiting prematurely without triggering these mechanisms. Common Causes of Unexpected Behavior Several factors could lead to your script stopping unexpectedly: Resource Limits: The execution environment m…  ( 4 min )

_Originally published on Medium We’re the generation raised with Google, born into WiFi, and fluent in memes. But now there’s a new tool on the block — AI — and it’s leveling the playing field faster than we can scroll through TikTok. At the heart of using it well? Prompt engineering. Let’s get real: If you're a Gen Z dev and you're not learning prompt engineering, you're sleeping on a skill that’s gonna separate the script kiddies from the software wizards. Prompt engineering is the art of talking to AI — but with precision, intention, and style. It’s how you get the best, most relevant, most mind-blowingly useful outputs from tools like ChatGPT, Gemini, Claude, and whatever else drops next month. It’s not just about saying “generate code” — it’s knowing how to guide the model, structure…  ( 4 min )

By: Thorsten Hans Spin SDK for JavaScript and its tooling underwent a major overhaul to ensure we meet developers where they are and align with popular patterns, tools and idioms. As part of that journey, we moved the HTTP router capabilities from the Spin SDK for JS. Instead of exporting a router through the Spin SDK, we let users pick and choose their preferred router. In this post, we’ll explore how to use the Hono Router to build full-fledged HTTP APIs with Spin and TypeScript. The Hono Router is a fast, lightweight routing system designed for handling HTTP requests efficiently. It features an intuitive, Express.js-inspired API, making it easy to define routes using methods like app.get(), app.post(), and wildcard patterns. Hono also supports middleware, allowing developers to add func…  ( 10 min )

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Introduction If you're working with TypeScript and enums, you might encounter situations where not handling all enum cases can lead to runtime errors. As seen in the provided code snippet, the Color enum is defined with three values: Red, Green, and Blue. However, not all cases are handled in the getColorName function, which could lead to unexpected behavior. In this article, we'll explore how to structure your TypeScript code to ensure that missing enum cases are flagged at compile time, helping you avoid bugs before they occur. Understanding the Issue In TypeScript, when you use enums, it’s crucial to handle every possible value gracefully. If you forget to handle one of the cases, your function may perform as expected during testing but fail in production, leading to hard-to-debug runti…  ( 4 min )

When working with Dart and stylesheets, particularly those using SCSS/Sass, you might encounter a common issue: the 'Undefined mixin' error. This problem often arises when importing mixins and functions from Bootstrap or any other library. In this article, we'll explore why this error happens and provide a comprehensive solution to fix it. Understanding the Undefined Mixin Error The 'Undefined mixin' error in SCSS usually indicates that the compiler cannot find a specific mixin or function that you are trying to use in your stylesheet. In your case, you're trying to utilize a media-breakpoint-down(md) mixin that is part of Bootstrap's SCSS library. The correct order of imports is crucial since Sass relies on the definitions being available in the scope when they're used. Why the Error Occu…  ( 4 min )

In the world of DevOps, engineers focus on streamlining development and operations to create faster, more efficient, and reliable software deployment processes. While automation and coding skills are crucial, networking principles are equally important. Without a strong grasp of how networks function, DevOps engineers can run into serious issues, from deployment failures to security risks. Understanding networking enables them to manage infrastructure efficiently, troubleshoot connectivity issues, and optimize performance. Let’s break down why network principles matter, with real-world use cases that illustrate their importance, supported by descriptions of relevant networking diagrams. 1. Networking Ensures Seamless CI/CD Pipelines 2. Networking Enables Efficient Cloud Infrastructur…  ( 5 min )

Extracting Date Components When working with dates in programming, breaking them down into their fundamental components is often the first step in any meaningful manipulation. Most languages provide straightforward functions for this purpose, typically offering the ability to extract the year, month, and day from a date object. // Extract components from a date currentDate := time.Now() year := currentDate.Year() // Returns the year as an integer (e.g., 2025) month := currentDate.Month() // Returns the month as a time.Month (e.g., March) day := currentDate.Day() // Returns the day of month as an integer (e.g., 19) fmt.Printf("Year: %d, Month: %s, Day: %d\n", year, month, day) This approach gives you clean access to these individual components, which you can then use in your ca…  ( 8 min )

Creating a web application that allows users to set up custom column layouts can elevate user experience and content presentation. In this article, we will learn how to implement a purely CSS approach to arrange elements in one, two, or three columns without dynamically grouping them in HTML. Understanding the CSS Grid Layout CSS Grid is a powerful layout system that allows us to create complex web layouts with ease. It enables us to define both rows and columns and provide control over how content is placed within the layout. This is particularly useful for our scenario where we want to create a flexible column layout for different sizes of elements. Why Use CSS Grid? One of the main advantages of using CSS Grid is its ability to handle different sizes of elements seamlessly. It also allo…  ( 5 min )

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When working with Bash scripts, managing file paths and filenames can sometimes lead to unexpected sorting behavior. If you're trying to sort an array of complete filenames and want them sorted by just the filename while retaining the full paths, you're not alone in this challenge. In this article, we'll explore a solution that allows you to achieve exactly that. Why the Issue Occurs The confusion often arises from how the sort command works in conjunction with the full paths of files. When you try to sort by default, it considers the whole string, which includes the path. This results in sorting that does not reflect the ordering of the filenames, as seen in your request where sort outputs filenames based on their directory path rather than the filename itself. Step-by-Step Solution To ac…  ( 4 min )

Yazılım geliştirme dünyasında, arka uç optimizasyonu performansı ve verimliliği artırmanın temel bir parçasıdır. Arka uç, bir uygulamanın temelini oluşturur ve verimli bir arka uç tasarımı, uygulamanın genel başarısında büyük bir fark yaratabilir. Arka uç optimizasyonu, gecikme süresini azaltmaya, kaynak kullanımını iyileştirmeye ve uygulamanın ölçeklenebilirliğini artırmaya odaklanır. Bu, özellikle artan kullanıcı talepleri ve uygulama karmaşıklığı ile birlikte son derece önemlidir. Arka uç, bir uygulamanın "arka plan" işlemlerini ifade eder; sunucular, veritabanları ve uygulama mantığı dahil olmak üzere kullanıcının doğrudan etkileşime geçmediği tüm bileşenler. Arka uç performansı, uygulamanın genel yanıt hızını, güvenilirliğini ve ölçeklenebilirliğini doğrudan etkiler. Verimsiz bir arka…  ( 6 min )

When you're developing applications that interact with web services, you may encounter SSL certificate verification errors, even when things work fine in other tools like Postman. One common issue is the SSLCertVerificationError that occurs in Python when making API calls. Let's dive into why this might happen and how to resolve it. Understanding SSLCertVerificationError The SSLCertVerificationError signifies that Python's request to verify the SSL certificate of the server has failed. In your case, you're able to make HTTPS calls via Postman without any issues, while those same calls lead to an SSL error when executed through Python. This discrepancy often arises from differences in how each application handles SSL certificates. Why Is This Happening? In essence, Python, particularly with…  ( 4 min )

Your software project is spiraling out of control. Features are glitchy, bugs multiply by the hour, and deadlines are a distant memory. You’re now at a major fork in the road: Should you fix your current software or scrap it and rebuild it from scratch? It’s a tough call—and one that haunts product managers, CTOs, founders, and even investors. Get it wrong, and you risk throwing good money after bad. But get it right, and you can set your software project on a path to growth, scalability, and long-term success. In this post, we’ll break down what it really means to fix or rebuild a failing software project, the pros and cons of each path, and how to decide what’s best for your business—based on cost, effort, and futureproofing. Fixing doesn’t just mean squashing bugs—it’s often about sta…  ( 6 min )

If you're looking to increase the width of input text fields in your React component, you're not alone. Many developers encounter similar issues when trying to style form inputs. Let’s delve into how you can achieve the desired width using CSS effectively. Why Are Input Fields Not Widening? The problem with input fields not responding to width changes usually stems from how CSS is applied to the form elements and the layout properties of their containers. By default, most input elements are inline or block styled, which can restrict the space they take up. Step-by-Step Solution to Increase Input Field Width To resolve your issue, you can apply custom CSS styles to the input fields. Here’s a guide on how to do it: 1. Updating Your CSS File First, you need to create or update a CSS file to i…  ( 4 min )

Table of Contents Introduction What Is an API? Why Good Documentation Matters Essential Parts of API Documentation Advanced Documentation Tips Best Practices I’ve Learned Conclusion As software development has evolved, APIs (Application Programming Interfaces) connect different systems and services. I’ve found that even the most powerful APIs require clear documentation to be truly useful. This article shares how I create clear API documentation. By the end of this post, you’ll have a bulletproof template for writing documentation that even your sleepiest teammate can follow. An API is a set of rules that allows different applications to communicate. It acts as a contract between the data provider (the server) and the data consumer (the client). APIs help developers: Access …  ( 5 min )

Introduction If you've ever wanted to automate the process of extracting data from a Klipfolio table and save it as a CSV file, you've come to the right place. This article will guide you through the steps needed to use a Bash script to extract all relevant data—such as referee names, match times, and venues—from a Klipfolio appointment table into a well-structured CSV file. Understanding the Problem Data extraction tasks can often be daunting, especially when the source is a dynamically generated table like those found in Klipfolio. Commonly, the first challenge is correctly identifying the data to pull, as it can be embedded within complex JSON objects. The needed information can include columns for date, time, competition, division, home team, away team, venue, and multiple referees, in…  ( 4 min )

Bitcoin has reclaimed $98,000 for the first time in almost three months after the US Federal Reserve said it would keep interest rates the same for another month. The Fed’s decision to keep interest rates unchanged comes despite mounting pressure from US President Donald Trump, who just weeks ago threatened to fire Fed chair Jerome Powell for being “too late” in cutting rates. Fed cites higher unemployment, inflation risk Powell said on May 7 that the Federal Reserve rate-setting committee held rates in the 4.25% to 4.50% range due to the rising risks of higher unemployment and higher inflation. He added inflation has “come down a great deal but has been running above our 2% longer objective.” Powell said surveys in households and businesses showed a “sharp decline in sentiment” mainly due…

Nasdaq-listed Bitcoin mining firm Core Scientific Inc. posted a net profit of $580 million with its first quarter results, but missed analyst revenue estimates after a drop in its mining profits. Core Scientific’s Q1 2025 results, shared on May 7, saw it more than double its $210 million net income from the year-ago quarter, while its total revenue reached $79.5 million, missing Zacks analysts' estimates by 8.11%, and falling from its $179.3 million in revenues for Q1 2024.  The firm’s primary source of revenue came from $67.2 million in self-mining revenue, $3.8 million in hosted mining revenue, and $8.6 million in colocation, formerly listed as high-performance computing (HPC) hosting. Source: Core Scientific Core Scientific said its drop in Bitcoin (BTC) mined and revenue was due to the…

Arizona Governor Katie Hobbs has signed a bill into law allowing the US state to keep unclaimed crypto and establish a “Bitcoin Reserve Fund” that won’t use any taxpayer money or state funds. Hobbs signed House Bill 2749 into law on May 7, which allows Arizona to claim ownership of abandoned digital assets if the owner fails to respond to communications within three years. The state’s custodians can stake the crypto to earn rewards or receive airdrops, which can then be deposited into what Arizona has called a Bitcoin and Digital Asset Reserve Fund. “This law ensures Arizona doesn’t leave value sitting on the table and puts us in a position to lead the country in how we secure, manage, and ultimately benefit from abandoned digital currency,” the bill’s sponsor, Jeff Weninger, said in a May…

Binance founder and convicted felon Changpeng Zhao says that he applied for a pardon from US President Donald Trump shortly after denying reports that he was seeking one. Zhao, also known as CZ, said on a Farokh Radio podcast episode aired May 6 that he “wouldn’t mind” a pardon and that his lawyers have already filed the paperwork on his behalf “I got lawyers applying,” Zhao said, adding that he submitted the request after Bloomberg and The Wall Street Journal reported in March that he was seeking a pardon from Trump amid discussions of a business deal between the Trump family and Binance.US. Zhao denied the reports at the time, but said on the podcast that he thought “if they’re writing this article, I may as well just officially apply.” He added that Trump’s pardon of three BitMEX founde…

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Native - HTML markup - where your server configures the component The Stimulus controller subclass - where messages are passed between web and native The native component - where Swift generates the UI and interacts with native APIs Build new bridge: Add the HTML markup use double dashes -- when referencing Stimulus controller --> allows us to namespace our bridge component controllers under the bridge/ directory, keeping them separate from traditional Stimulus controllers. Create a Stimulus controller Create a native component Respond to Button Taps send() to pass a message to native code. To pass a message _from _ native code to the web we have reply(to:).  ( 2 min )

Introduction Are you encountering the ‘Cannot find GeneratedPluginRegistrant in scope’ error while deploying your Flutter project? This issue often surfaces during the Xcode build process, particularly after making updates to packages in the pubspec.yaml file. In this article, we'll explore why this error occurs and provide you with step-by-step solutions to resolve it so that your Flutter app can be deployed without issues. Why Does the Error Occur? The error ‘Cannot find GeneratedPluginRegistrant in scope’ typically means that your Xcode project is unable to locate the GeneratedPluginRegistrant.swift file. This file is generated automatically whenever Flutter packages are added or updated in your project. When using plugins from packages like awesome_notifications, you might update depen…  ( 4 min )

Static method is a method bound to class and not the object of class. To define static method we will use @staticmethod decorator. Explanation: If you want somebody not to access specific function through object you can do it by applying the @staticmethod. And do not pass 'self' because it will create connection with other attribute. But if you seen closely general_description is accessible through object and class also. So the question arises does this statement defy us. Well answer is, Yes, it does. Here is analogy: You will kept your screwdriver, hammer or nickel in toolbox, so that somebody want to access it he/she will look for toolbox. If you travel through airplane doesn't which model of airplane you travel the manual of that plane will remain same like how to tie seatbelt. Same as goes for static method you just access static method function through class not by object and it doesn't defy its meaning. OOPs concept is philosophical you follow the rule so that you can have strategy how write code effectively.  ( 3 min )

Why do we limit AI to just note-takers in meetings? Sure, summarization is useful, but there's so much more AI could do to improve our discussions. What if AI could help surface those important questions that often get missed? Or guide teams to explore angles they haven't considered? That's where the real value lies - improving the conversation, not just documenting it. It's simple really - teams don't need another tool for meeting minutes. They need help having better conversations that lead to clearer decisions. The future of meeting AI isn't in better note-taking. It's helping teams have discussions that matter. What would be your ideal implementation of AI in meetings?  ( 3 min )

Integrating AI Capabilities with Spring Boot: A2A and MCP Protocols Code for this article is available here The Agent-to-Agent (A2A) protocol, developed by Google, enables seamless communication between AI agents and services. It provides a standardized way for AI agents to discover, understand, and interact with various service capabilities. By implementing A2A, your Spring Boot applications become AI-ready, allowing AI agents to naturally interact with your services. MCP (Model Context Protocol) is Anthropic's specification for enabling structured interactions between AI models and external tools/services. It provides a standardized way to define tool interfaces that can be called by AI models, making services discoverable and executable in a controlled manner. This protocol is particu…  ( 5 min )

Introduction When styling buttons with CSS, achieving a seamless hover effect is crucial for a great user experience. The problem arises when you have a hover effect that causes a noticeable flicker when you release the mouse button. This occurs because the button transitions back to its default state before returning to the hover state, creating an undesirable visual effect. In this article, we'll explore why this flicker happens and provide a solution to prevent it. Why Does the Flicker Happen? The flickering effect you noticed is common when using CSS transitions for hover states. Here's a breakdown of what occurs: Cursor Change: When you hover over the button, your cursor changes to a pointer, indicating it's clickable. When you click and hold the button, the cursor remains as a pointe…  ( 4 min )

Mobile UI (User Interface) design plays a critical role in the success of any mobile application. A well-designed UI enhances usability, accessibility, and the overall user experience. In this blog post, we'll explore the essentials of mobile UI design and how developers and designers can collaborate to build intuitive and visually pleasing apps. What is Mobile UI Design? Mobile UI design is the process of designing graphical and interactive elements of a mobile application, such as buttons, icons, typography, navigation, and layout. The goal is to ensure users can easily interact with the app and achieve their goals without confusion or frustration. Principles of Good Mobile UI Design Simplicity: Keep the interface clean and uncluttered to avoid overwhelming users. Consistency: Maintain u…  ( 3 min )

In today's tech-driven world, digital marketing is no longer just about catchy ads and engaging posts—it's about smart, automated, data-driven applications. Whether you're a developer building a marketing automation platform or a digital marketer looking to leverage tech, understanding how to program marketing applications is a game changer. What Is Digital Marketing Application Programming? Digital Marketing Application Programming refers to the development of tools, systems, and scripts that help automate, optimize, and analyze digital marketing efforts. These applications can handle tasks like SEO analysis, social media automation, email campaigns, customer segmentation, and performance tracking. Key Areas of Digital Marketing Applications Email Marketing Automation: Schedule and person…  ( 3 min )

Artificial Intelligence (AI) in gaming plays a crucial role in creating engaging, dynamic, and realistic experiences for players. From non-player character (NPC) behavior to procedural content generation, game AI programming encompasses various techniques and approaches to make games more immersive. In this post, we will explore the fundamentals of game AI programming and the techniques that developers can use to enhance gameplay. What is Game AI? Game AI refers to the techniques and algorithms used to create the illusion of intelligence in non-player characters and other game systems. It allows these entities to react to player actions, adapt to changing environments, and provide challenges, making the game experience richer and more enjoyable. Key Concepts in Game AI Pathfinding: Algorit…  ( 4 min )

The rise of digital technology has transformed the way we create, consume, and interact with music and audio. Developing audio and music applications requires a blend of creativity, technical skills, and an understanding of audio processing. In this post, we’ll explore the fundamentals of audio application development and the tools available to bring your ideas to life. What is Audio and Music Application Development? Audio and music application development involves creating software that allows users to play, record, edit, or manipulate sound. These applications can range from simple music players to complex digital audio workstations (DAWs) and audio editing tools. Common Use Cases for Audio Applications Music streaming services (e.g., Spotify, Apple Music) Audio recording and editing so…  ( 4 min )

C# 13 introduces a highly specialized but impactful feature: OverloadResolutionPriorityAttribute, which allows library authors to guide the compiler in selecting the preferred method overload — especially during API evolution. This attribute enables you to: Add new, optimized overloads without breaking existing code Encourage usage of improved APIs on recompile Avoid overload ambiguity at compile time Let’s walk through how this works, when to use it, and how to avoid introducing confusion. When adding a new overload to a public API, especially one that overlaps in parameter shape, you risk: Ambiguous method calls at compile time Breaking source compatibility Preventing older consumers from upgrading The goal: let old code keep working, but prefer the new overload on recompilation. C# 13 r…  ( 4 min )

In today's digital age, writing secure code is no longer optional—it's a necessity. Whether you're building a simple website or a complex enterprise system, insecure code can open the door to data breaches, service disruptions, and damaged reputations. In this post, we'll explore the essentials of secure coding and how to make it a part of your development workflow. Why Secure Coding Matters Protects sensitive user data (passwords, financial info, personal details) Reduces the risk of cyberattacks (SQL injection, XSS, CSRF) Complies with legal and regulatory requirements (GDPR, HIPAA, PCI-DSS) Builds user trust and enhances your product's reliability Top Secure Coding Practices Validate All Input: Sanitize and validate user inputs to prevent injection attacks. Use Parameterized Queries: Pr…  ( 3 min )

Text processing is one of the oldest and most essential domains in software development. From simple word counting to complex natural language processing (NLP), developers can build powerful tools that manipulate, analyze, and transform text data in countless ways. What is Text Processing? Text processing refers to the manipulation or analysis of text using software. It includes operations such as searching, editing, formatting, summarizing, converting, or interpreting text. Common Use Cases Spell checking and grammar correction Search engines and keyword extraction Text-to-speech and speech-to-text conversion Chatbots and virtual assistants Document formatting or generation Sentiment analysis and opinion mining Popular Programming Languages for Text Processing Python: With libraries like …  ( 3 min )

In today’s fast-paced world, automation programming is a vital skill for developers, IT professionals, and even hobbyists. Whether it's automating file management, data scraping, or repetitive tasks, automation saves time, reduces errors, and boosts productivity. This post covers the basics to get you started in automation programming. What is Automation Programming? Automation programming involves writing scripts or software that perform tasks without manual intervention. It’s widely used in system administration, web testing, data processing, DevOps, and more. Benefits of Automation Efficiency: Complete tasks faster than doing them manually. Accuracy: Reduce the chances of human error. Scalability: Automate tasks at scale (e.g., managing hundreds of files or websites). Consistency: Ensur…  ( 3 min )

When working on Rust projects that leverage multiple external crates, how to handle error types efficiently can become a tangled mess, especially when you are dealing with various Result types like Result and Result. The orphan rule in Rust restricts you from implementing conversions like impl From for BarError across distinct crates, leading to cluttered code due to multiple map_err calls. Understanding the Problem In Rust, error handling is often a source of complexity when integrating external crates, particularly when each crate has its own error type. When you have to return a unified error type, like tonic::Status in this case, you may find yourself writing numerous utility functions to map errors from individual crates to a common error type. The…  ( 4 min )

Geographic Information Systems (GIS) have revolutionized the way we interact with spatial data. From city planning to environmental monitoring and logistics, GIS is a powerful tool that combines maps with data for smarter decision-making. In this post, we'll explore what GIS is, the technologies involved, and how to get started with GIS application development. What is GIS? GIS stands for Geographic Information Systems, which are tools and systems used to capture, store, analyze, manage, and visualize spatial or geographic data. These systems are essential for analyzing patterns, relationships, and geographic trends across various fields. Applications of GIS Urban Planning: Design infrastructure based on population density and land usage data. Environmental Monitoring: Track climate change…  ( 4 min )

Educational robotics programming is one of the most engaging and practical ways to teach students essential 21st-century skills such as problem-solving, critical thinking, coding, and teamwork. Through the creation and programming of robots, learners of all ages can experience hands-on STEM education in a fun and interactive environment. What is Educational Robotics? Educational robotics involves designing, building, and programming robots to perform specific tasks. These robots can be as simple as Lego Mindstorms kits or as advanced as Raspberry Pi-powered bots. The goal is to teach foundational concepts in computer science, electronics, and mechanical engineering through real-world applications. Benefits of Robotics Programming for Education Hands-On Learning: Students apply theoretical …  ( 3 min )

As digital education becomes more widespread, developing e-learning platforms has become a crucial area of software development. Whether you're building a learning management system (LMS) for schools, corporate training, or independent courses, this post covers the key components, technologies, and best practices for creating a successful e-learning platform. Key Features of an E-learning Platform User Registration & Profiles: Allow students and instructors to create and manage their profiles. Course Management: Instructors can create, edit, and organize courses with modules and lessons. Multimedia Support: Enable video, audio, PDFs, and interactive quizzes. Progress Tracking: Show users their progress and allow instructors to monitor performance. Certificates: Offer completion certificate…  ( 3 min )

Test-Driven Development (TDD) is a software development approach where you write tests before writing the actual code. It may sound counterintuitive at first, but TDD can significantly improve code quality, maintainability, and confidence in your software. This post introduces the TDD process, benefits, and how to start applying it effectively in your projects. What is TDD? TDD is a development methodology where tests are written to define desired behavior before implementing the functionality. It follows a short and repetitive development cycle: The TDD Cycle Write a Test: Write a test that describes the expected behavior of a feature. Run the Test: The test should fail because the feature doesn't exist yet. Write the Code: Write just enough code to make the test pass. Run the Test Again:…  ( 3 min )

Design patterns are reusable solutions to common software design problems. Whether you're a beginner or an experienced developer, learning design patterns can greatly improve your ability to write clean, scalable, and maintainable code. This post introduces the concept of design patterns, why they're important, and how you can start using them effectively in your projects. What Are Design Patterns? A design pattern is a proven way to solve a specific problem in software design. These patterns are not code snippets but templates or best practices that guide developers in structuring their programs. Why Use Design Patterns? Code Reusability: Promotes the use of reusable solutions. Scalability: Makes it easier to scale applications. Maintainability: Leads to cleaner and more organized code. T…  ( 3 min )

Financial technology (FinTech) has revolutionized how we manage money, invest, and perform banking operations. For developers, programming financial and banking applications involves a unique set of skills, tools, and compliance considerations. This post explores the essential concepts and technologies behind building secure and robust financial applications. Types of Financial Applications Banking Apps: Enable account management, transfers, and payments. Investment Platforms: Allow users to trade stocks, ETFs, and cryptocurrencies. Budgeting & Expense Trackers: Help users monitor spending and savings. Loan Management Systems: Handle loan applications, payments, and interest calculations. Payment Gateways: Facilitate secure online transactions (e.g., Stripe, PayPal). Key Features of Financ…  ( 3 min )

Medical and health software development is a rapidly growing field that blends technology with healthcare to improve patient outcomes, optimize hospital systems, and enhance access to medical services. This post introduces the key concepts, technologies, and challenges involved in developing health-based applications. What Is Medical Software? Medical software refers to any application that is designed for use in diagnosing, treating, monitoring, or managing health conditions. Examples include: Electronic Health Records (EHR) Systems Telemedicine Platforms Patient Monitoring Systems Mental Health Apps Diagnostic and Imaging Tools Mobile Health (mHealth) Applications Key Features of Medical Software Data Security: Protection of patient data is critical (HIPAA, GDPR). Interoperability: Integ…  ( 3 min )

Data analysis and visualization are crucial skills in today’s data-driven world. With programming, we can extract insights, uncover patterns, and present data in a meaningful way. This post explores how developers and analysts can use programming techniques to analyze and visualize data efficiently. Why Data Analysis and Visualization Matter Better Decisions: Informed decisions are backed by data and its interpretation. Communication: Visualizations make complex data more accessible and engaging. Pattern Recognition: Analysis helps discover trends, anomalies, and correlations. Performance Tracking: Measure progress and identify areas for improvement. Popular Programming Languages for Data Analysis Python: Rich in libraries like Pandas, NumPy, Matplotlib, Seaborn, and Plotly. R: Designed sp…  ( 3 min )

Ask any developer who’s used Rust what made the experience special. But dig a little deeper, and something else almost always comes up: Cargo. Rust’s package manager and build tool isn’t just “nice to have.” Now imagine Rust without it: No standard project layout. No dependency management. No easy testing or publishing. No cargo build, cargo test, or cargo run. Just a complex, opinionated systems language... with zero guidance or tooling. It would be a beautiful disaster—full of promise, but hard to harness. Shell is ancient, universal, and indispensable. Despite its power, shell scripting is stuck in the dark ages: Scripts are ad-hoc and fragile. Logic is duplicated everywhere. There's no clear way to structure or modularize projects. Reuse? Testing? Versioning? Almost nonexistent. It’s l…  ( 4 min )

Web development is no longer about just static pages. Users now expect responsive, real-time, and engaging experiences. In this post, we’ll explore how to develop interactive web applications that provide dynamic content and respond to user input instantly. What is an Interactive Web Application? An interactive web app is a website that responds to user actions in real time without needing to reload the entire page. Examples include: Live chats Form validations Dynamic dashboards Online games and quizzes Social media feeds and comment systems Key Technologies for Interactivity HTML & CSS: Structure and style your app. JavaScript: The core language for interactivity. Frontend Frameworks: React, Vue.js, or Angular for building dynamic UIs. AJAX & Fetch API: Load data without page reloads. We…  ( 3 min )

Managing a programming project—whether you're working solo or with a team—requires more than just writing code. Good project management ensures that you meet deadlines, maintain code quality, and deliver value to users or clients. In this post, we'll explore the key principles and tools to help you manage software projects effectively. Why Project Management Matters in Programming Improves efficiency: Plan work, avoid bottlenecks, and reduce wasted effort. Delivers on time: Stay on schedule with milestones and deadlines. Enhances communication: Keep your team (or clients) aligned and informed. Maintains quality: Use consistent coding standards, testing, and reviews. 1. Define the Project Scope Start by identifying what the project is supposed to do. Ask questions like: What problem does th…  ( 4 min )

You’ve built a great app, website, or tool—but what’s next? As a programmer, learning digital marketing can help you reach more users, grow your brand, and even monetize your work. In this post, we’ll explore essential digital marketing strategies tailored for developers and tech entrepreneurs. Why Programmers Should Learn Digital Marketing Gain Visibility: Ensure people discover and use your product. Monetize Projects: Turn side projects into profitable ventures. Build a Personal Brand: Showcase your skills and expertise. Attract Opportunities: Networking, clients, job offers, and collaborations. 1. Know Your Audience Start by defining your ideal users. Are they developers, students, small businesses, or general consumers? Understanding their needs will help you tailor your messaging and …  ( 4 min )

ref and unsafe in Async and Iterator Methods — Unlocking Span in C# 13 Starting in C# 13, the language lifts one of its long-standing restrictions: the inability to use ref struct types, ref variables, or unsafe contexts in iterator (yield) or async methods. This evolution is critical for developers working with performance-sensitive data, particularly through types like: System.Span System.ReadOnlySpan Custom ref struct types Let’s dive deep into what this change allows, what restrictions remain, and how it helps you write better, faster, and safer C# code. ref in async or yield Before C# 13, you couldn’t declare or use: ref locals or ref struct variables in async methods ref locals or ref struct variables in iterator methods unsafe code blocks inside iterator methods This ma…  ( 4 min )

Augmented Reality (AR) and Virtual Reality (VR) are transforming the way we interact with digital content. From immersive games to educational simulations and training environments, AR/VR technologies provide dynamic user experiences that bridge the physical and virtual worlds. In this guide, we’ll explore how to start building AR and VR applications and what tools you need. What is AR and VR? Augmented Reality (AR): Enhances the real world by overlaying digital content through devices like smartphones or AR glasses. Virtual Reality (VR): Immerses the user in a completely virtual environment, often using headsets like Oculus Rift, HTC Vive, or Meta Quest. Popular Platforms and Tools for AR/VR Development Unity: A powerful game engine with support for AR and VR development using C#. Unreal …  ( 4 min )

Data analysis is a critical skill in today’s data-driven world. Whether you're exploring business insights or conducting academic research, Python offers powerful tools for data manipulation, visualization, and reporting. In this post, we’ll walk through the essentials of data analysis using Python, and how you can begin analyzing real-world data effectively. Why Python for Data Analysis? Easy to Learn: Python has a simple and readable syntax. Rich Ecosystem: Extensive libraries like Pandas, NumPy, Matplotlib, and Seaborn. Community Support: A large, active community providing tutorials, tools, and resources. Scalability: Suitable for small scripts or large-scale machine learning pipelines. Essential Python Libraries for Data Analysis Pandas: Data manipulation and analysis using DataFrames…  ( 3 min )

Why splitting your codebase too early can quietly destroy your team’s velocity — and what to do instead. In a startup, your survival depends on how quickly you can iterate, ship features, and deliver value to end-users. This is where the foundational architecture of your startup plays a big role; additionally, things like your tech stack and choice of programming language directly affect your team’s velocity. The wrong architecture, especially premature microservices, can substantially hurt productivity and contribute to missed goals in delivering software. I've had this experience when working on greenfield projects for early-stage startups, where questionable decisions were made in terms of software architecture that led to half-finished services and brittle, over-engineered and broken l…  ( 14 min )

^ in Object Initializers The ^ operator (read as "from the end") has been part of C# since version 8, allowing developers to easily access elements from the end of collections: int last = myArray[^1]; // Last element However, until C# 13, you couldn’t use ^ inside object initializers. This restriction has now been lifted, giving developers more expressive and compact ways to initialize collections directly. Let’s explore how this change improves array initialization syntax and simplifies common patterns. Prior to C# 13: var countdown = new TimerRemaining(); countdown.buffer[^1] = 0; // Valid But you could not write: var countdown = new TimerRemaining { buffer = { [^1] = 0 } // ❌ Compiler error before C# 13 }; Now, this syntax is fully supported. ^ in Initializers public class…  ( 4 min )

In modern C#, method groups — collections of methods with the same name but different signatures — are frequently used in scenarios like: Passing methods as delegates LINQ projections Action, Func assignments Method references in event subscriptions C# 13+ introduces an important enhancement in how the compiler handles these method groups by optimizing the resolution of a natural type (i.e., an expected delegate type) for a method group. Let’s explore what changed, how it affects overload resolution, and what it means for you as a C# expert. A method group is a set of method overloads identified by a shared name: void Log(string message) { ... } void Log(string message, LogLevel level) { ... } Calling Log without parentheses creates a method group, which the compiler tries to match to…  ( 4 min )

Abstract Open source software underpins today’s digital innovation but faces ongoing challenges in sustaining development and community engagement. This post explores the evolution of open source funding—from early volunteer models to modern blockchain-enabled approaches—and examines key models like donations, corporate sponsorships, dual licensing, subscription services, and bounties. We detail the historical context, define critical financial backing terms, and explore practical use cases in blockchain, NFT marketplaces, and developer tools. Additionally, we review the challenges and limitations of current funding strategies and highlight future trends that include tokenization, smart contracts, and decentralized governance. This comprehensive analysis is designed for technical experts…  ( 9 min )

Recommendation systems have become a crucial feature in modern applications, helping users discover relevant content, products, or services. Whether it's suggesting movies, books, shopping items, or music, these systems enhance user experience and boost engagement. In this post, we'll explore how recommendation systems work, types of recommendation algorithms, and how you can start building your own. What is a Recommendation System? A recommendation system is a type of information filtering system that predicts user preferences and suggests items that users might like. These systems use data analysis and machine learning techniques to deliver personalized content. Types of Recommendation Systems Content-Based Filtering: Recommends items similar to what the user has liked before by analyzin…  ( 4 min )

Passion to Profit: Transform Your Favorite Hobby into a Money-Making Side Hustle Everyone has something they’re passionate about, whether it's baking exquisite desserts, painting stunning landscapes, or knitting cozy sweaters. Imagine turning these passions into a profitable side hustle that not only generates extra income but also adds joy to your life. Here's how you can do it. According to a 2021 survey by Bankrate, nearly half of working Americans report having a side hustle, with an average monthly income of $1,122. This figure suggests there is not only potential but also demand for skills and products born from personal passions. Extra Income: This goes without saying — side hustles can be a lucrative option to boost your financial status. Skill Enhancement: Working on your hobby …  ( 4 min )

Why this matters? The core essence of Computer Science at the lowest level is manipulating data through logical operations to perform calculations and every single CS related company in the world, is racing to do more of it, in a shorter amount of time. The challenge? Scale! As datasets grow linearly, the computational resources needed frequently grow exponentially or at least non-linearly. For example, many graph algorithms and machine learning operations scale as O(n²) or worse with data size. A seemingly modest 10x increase in data can suddenly demand 100x or 1000x more computation. This exponential scaling wall creates enormous technical and economic pressure on companies handling large datasets — forcing innovations in algorithms, hardware architectures, and distributed systems just…  ( 7 min )

When storing a segment of serialized data of uncertain length in a database, many people design the field as VARCHAR(2000) in the table schema. But if the length is uncertain, why not use the TEXT type instead? Some say: TEXT affects query performance. Is that really the reason? This article will explore that: TEXT is a variable-length data type in MySQL, including TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT. They are typically used to store large amounts of textual data, with the following storage limits: TINYTEXT: 0 - 255 bytes TEXT: 0 - 65,535 bytes MEDIUMTEXT: 0 - 16,777,215 bytes LONGTEXT: 0 - 4,294,967,295 bytes Each BLOB or TEXT value is represented internally by a separately allocated object, whereas other data types have storage space allocated once per column when the table is opene…  ( 4 min )

Abstract This post examines how open source projects harness various funding methods to fuel economic growth. We discuss models such as corporate sponsorships, dual licensing, and crowdfunding, along with emerging trends like blockchain integration and NFT tokenization. Readers will gain insights into historical context, core features, practical applications, and future innovations in sustainable open source funding. We also provide SEO-driven keywords—open source, financial growth, blockchain, NFTs, sponsorship, crowdfunding, dual licensing, and community engagement—to ensure clarity and readability for both technical audiences and search engines. Open source projects have evolved from hobbyist efforts to key enablers of innovation across industries like blockchain and NFTs. As these pr…  ( 9 min )

If you're looking to insert multiple records into a MySQL database using PHP but finding that only one record gets inserted, you're not alone. This is a common issue that many developers face, especially when using a foreign key in the database schema. Understanding the Problem In your case, it seems that the data is being collected correctly, but there might be an issue with how you're managing the insertion into the database. When inserting multiple records, it's vital to ensure that you loop through your dataset properly and that your database insertions are correctly structured. Database Schema Considerations Before diving into the solution, let's clarify what we're trying to accomplish. You want to insert multiple records into mytable2, which should reference the primary key from myta…  ( 4 min )

Third-party AI developer tools often feel like playing the lottery - input your prompt and hope it works. Building your own tools gives you the control and visibility to transform unpredictable gambling into reliable engineering. This post was originally shared on https://qckfx.com/blog/the-ai-dev-tool-lottery-why-building-your-own-tool-beats-playing-the-odds In the rapidly evolving landscape of AI-powered developer tools, a frustrating pattern has emerged. You input your prompt, click submit, and find yourself crossing your fingers. Will it produce the code you need? Will it understand your problem correctly? Or will you need to try again and again, burning through your token budget while hoping for that winning ticket? We've all heard the stories about teams excited by new autonomous cod…  ( 5 min )

Introdução. wget é uma ferramenta de linha de comando usada para baixar arquivos da internet via HTTP, HTTPS ou FTP. Ele é muito útil para automatizar downloads ou para baixar arquivos em servidores sem interface gráfica. As principais características do wget são: Funciona diretamente no terminal. Pode baixar arquivos de uma URL específica. Suporta downloads recursivos, ou seja, pode baixar páginas e todos os arquivos relacionados. Permite retomar downloads interrompidos com a opção -c. Ideal para scripts automáticos de atualização ou backup. Veja abaixo as opções mais usadas do comando wget: O wget sem parâmetros, apenas baixa o arquivo: wget https://exemplo.com/arquivo.zip Utilize wget -O para baixar um arquivo e salvar com um nome diferente: wget -O novo_nome.zip https://exemplo.com/arq…  ( 3 min )

Invoker Commands API src What does that mean though? Basically we have a possibly growing amount of declarative HTML that can add interactivity, without javascript 🤯 If you're a old and kind of clever like me this might trigger happy memories of the Do you believe in love after love element HTML attributes commandfor command src and an example from MDN Show modal dialog Close Dialog Content So what's interesting about the above example, at least to me is it actually runs with javascript disabled!?! So only built in the browser commands will work, but I think this is cool. Really primitive elements that add a better UX to the user can now run in environments without javascript. Also this pattern has better Accessibility out of the box. You can also write your own custom js events and handlers... Creating custom commands ```Rotate left myImg.addEventListener("command", (event) => { I'm not 100% overall on how I feel about that though, maybe it helps lower level with creating interactive elements... Maybe it feels like too little too late, time will tell.  ( 3 min )

Introduction In Flutter, if you encounter the error message Please provide ShowCaseView context while using the ShowcaseView widget, you are not alone. I have read extensive documentation and community forums, including Stack Overflow, but still couldn't resolve this issue. This article will guide you through understanding why this happens and how to fix it effectively when integrating the showcaseview and persistent_bottom_nav_bar_v2 packages in Flutter. When you implement the ShowCaseWidget, it's essential to ensure that the context is correctly provided to the widget. Given a scenario where you want to showcase some features in a BottomNavigationBar, this error could pop up if the ShowCaseWidget isn't wrapped properly, or the context is not available at the calling point. Understanding …  ( 4 min )

Comprehensive Guide to Speech Recognition API for Voice Input in JavaScript Historical and Technical Context Evolution of Speech Recognition Technologies The journey of speech recognition technology started as early as the 1950s, predominantly focusing on isolated word recognition. Early systems, such as IBM's "Shoebox," recognized a mere 16 words. The evolution accelerated with the advent of hidden Markov models (HMM) in the 1980s, which allowed for continuous speech recognition. The 1990s saw the introduction of statistically based systems, leveraging vast amounts of data to improve accuracy. Fast forward to the 21st century, we witness the proliferation of deep learning techniques, particularly the use of recurrent neural networks (RNN) and convolutional neural n…  ( 6 min )

Abstract This post explores the convergence of crowdfunding for open source development and blockchain innovation. We dive into the history of open source funding, explain how blockchain solutions like smart contracts, tokenization, and decentralized ledgers are revolutionizing the space, and review real-world use cases such as EcoFabric and supply chain transparency. We also discuss challenges—ranging from technical complexity to regulatory uncertainties—and examine future trends like hybrid funding platforms and evolving tokenization models. By blending insights from industry experts and practical examples, this post provides a holistic understanding of how these technologies are reshaping the funding ecosystem for sustainable innovation. Open source software has long relied on communi…  ( 8 min )

.NET Aspire is the latest framework from Microsoft in the .NET ecosystem, adding to ASP.NET, Blazor, Entity Framework, MAUI, etc. Released in 2023, it was designed specifically for cloud-native and distributed applications and acts as an orchestrator for the entire application stack. It is opinionated, meaning it provides a set of conventions and best practices for how to build applications. If you adopt these opinions, Aspire makes the developer experience much smoother and more productive. Some of these key features include: Application modeling: Aspire allows you to model your application in C# code instead of using YAML or other configuration languages. Local development: It provides a seamless local development experience, allowing you to start and stop your entire application with a …  ( 7 min )

Check out this Pen I made!  ( 2 min )

No mundo das aplicações modernas, onde escalabilidade e portabilidade estão fortemente ligadas à arquitetura de containers — e, consequentemente, ao Kubernetes — garantir a segurança e a conformidade dos clusters tornou-se essencial. À medida que as suas aplicações crescem e os ambientes se tornam mais complexos, a necessidade de uma forma eficiente e flexível de aplicar políticas torna-se cada vez mais crítica. É nesse cenário que o Kyverno se destaca, emergindo como um aliado poderoso — e, para muitos, a solução perfeita — para orquestrar políticas dentro do ecossistema Kubernetes. Kyverno é uma ferramenta de política de código aberto para Kubernetes que permite definir, gerenciar e aplicar políticas operacionais e de segurança nos clusters. Ao contrário de outros mecanismos que exigem l…  ( 4 min )

Introduction: Revolutionizing Travel in the Heart of the Kingdom In a country where history and spirituality run deep, modern transportation is taking a bold step forward. The Haramain train is more than a fast-moving locomotive—it’s a symbol of progress, designed to connect the sacred cities of Makkah and Madinah while offering travelers a world-class experience. Whether you're a pilgrim, tourist, or local commuter, the Haramain High-Speed Railway redefines how people move across the western region of Saudi Arabia. Unlike traditional rail systems, the Haramain train is built for speed and comfort. Capable of reaching up to 300 km/h, the train dramatically reduces travel time between key destinations. Onboard, passengers enjoy spacious seating, climate control, Wi-Fi connectivity, and on…  ( 5 min )

Not long ago, “AI in SaaS” felt like a buzzword, a chatbot here, some automation there. But in 2025, it’s clear: I recently made a quick YouTube Short that summarizes this shift in just 60 seconds. But I wanted to share a bit more context with the dev.to community, because many of us are building this future. Here’s what’s really changing: AI handles what used to be the boring, manual work, form filling, task assignment, ticket tagging, report generation. Not only is it faster, but it actually lets teams focus on solving real problems. AI isn’t just reacting anymore, it’s learning. We’re seeing apps that adjust to each user: what they click, when they drop off, which features they ignore. AI then reshapes the experience in real time. Feels like magic (but it's models). Whether it’s predicting churn, forecasting demand, or recommending next steps, smart SaaS tools are becoming proactive. This gives users (and product teams) a serious advantage. At ClickIT, we’ve been working with startups and mid-size companies to integrate this kind of AI into their SaaS platforms. It’s wild how quickly things evolve once AI becomes part of your architecture, especially when the goal is to scale fast without losing control. Here’s the video I mentioned, just 60 seconds, made to spark ideas: How AI Is Revolutionizing SaaS in 2025 Are you already integrating AI into your product? If not ❌ — What’s holding you back? And if yes ✅ — What has surprised you the most? Would love to hear how other devs, founders, and engineers here are approaching the AI shift in SaaS.  ( 3 min )

Debugging TypeScript code in Node.js projects can sometimes lead to frustrating experiences, especially when working with multiple projects that have dependencies on each other. If you're encountering issues where VSCode's debugger steps into a temporary compiled JavaScript source instead of the original TypeScript files when debugging your project Foo, you've come to the right place. Let's address the common issues and provide you with clear solutions for setting up your debugging environment effectively. Understanding the Problem When you create a dependency between two Node.js projects, like Foo and Bar in this case, you might run into trouble with your breakpoints not being recognized. The debugger might often navigate through transpiled JavaScript files, making it challenging to debug…  ( 4 min )

Welcome to Day 23 of the 30 Days of Linux Challenge! Today we’re entering the world of automation using one of the most powerful tools available in the Red Hat ecosystem: Ansible. Ansible lets you automate repetitive tasks — like updating systems, installing packages, configuring files, and managing entire server fleets — using simple, human-readable YAML files. What is Ansible? Install Ansible on Red Hat Linux Configure Local Inventory Run Ad-Hoc Commands Write Your First Playbook Run the Playbook Try It Yourself Why This Matters Ansible is a declarative automation engine: Uses YAML playbooks Connects over SSH (agentless) Scales from single node to 1000s of systems Works perfectly with Red Hat Enterprise Linux, CentOS, Fedora, and more sudo subscription-manager repos --enable codeready-builder-for-rhel-9-x86_64-rpms Verify version: ansible --version Configure Local Inventory Create an inventory file: mkdir ~/ansible Add this to target your own machine: localhost ansible_connection=local Test connection: ansible localhost -m ping -i hosts Expected result: json List all users: ansible localhost -m command -a "whoami" -i hosts Install a package: ansible localhost -m dnf -a "name=htop state=present" -i hosts --become Write Your First Playbook Example playbook: yaml name: Basic Setup Playbook hosts: localhost become: true tasks: - name: Ensure NTP is installed dnf: name: chrony state: present - name: Start and enable NTP service service: name: chronyd state: started enabled: true ansible-playbook -i hosts setup.yml This will: Install htop and chrony Start and enable the chronyd time service 🧪 Practice tasks: Install another package using a playbook (e.g. git, tree) Use Ansible to start or restart a service Create a user with the user module Run an ad-hoc uptime or df -h check across multiple hosts With Ansible, you can: ✅ Eliminate repetitive manual tasks Whether you’re a sysadmin or DevOps engineer, Ansible is your command center for intelligent automation.  ( 4 min )

Why Every Programmer Needs a Non Computer Hobby 🎯 Mahdi Jazini ・ May 5 #lifestyle #productivity #programming #mentalhealth  ( 2 min )

🧠 40 System Design Questions That Could Land You a $150K Job in 2025 💰 Hadil Ben Abdallah for Final Round AI ・ May 5 #design #interview #programming #career  ( 2 min )

Você sabia que tanto Erlang como Elixir não possuem um operador de atribuição? message = "Hello World" Mais conhecido como Pattern Matching, esse mecanismo te permite fazer associações de valores através Na prática: iex> hello_world = "Hello World" iex> hello_world > "Hello World" iex> "Hello " world = "Hello World" iex> world > "World" Os 2 exemplos acima ilustram o funcionamento do casamento de padrões. No segundo exemplo a runtime irá tentar encontrar o valor "Hello " no valor do lado direito do operador, se esse valor for encontrado(deu match) world.d Quando essa assertiva não acontece, e o padrão não é encontrado, uma exception é gerada. iex> "Hellu " world = "Hello World" > ** (MatchError) no match of right hand side value: "Hello World" Essa é uma das minhas funcionalidade…  ( 5 min )

Swapping variables is one of the most basic procedures that are done in programming. The first approach -and usually the most used by far- is to swap using a third variable, commonly named temporal variable. I'm sure you have seen it already. void swap(int* a, int* b) { int temp = *b *b = *a *a = temp } Yeah, that's a lot of pointers for explaining a swap. Blame C, not me 😒. Either way the process is the same in all languages: The value of variable b is stored in a temporal variable The value of variable a is stored in b The value stored in the temporal variable is moved to a I don't think it is necessary to say that the same process can be done replacing a with b and b with a But what if I told you that there's a way to swap values without using extra memory for a third vari…  ( 5 min )

Docker or VMs for Your Homelab? Let’s Settle the Debate (Sort Of) Blurbify ・ Apr 23 #docker #virtualmachine #homelab #devops  ( 2 min )

When managing Python installations using tools like pyenv, it can sometimes be challenging to ensure that package managers like Homebrew respect the default Python version you’ve set. In this article, we will discuss how to make sure that brew install pipx respects your default Python version (in this case, 3.11.9) instead of automatically upgrading to a newer version, like 3.12. This is a common concern for developers who want stable environments for their applications. Understanding Pyenv and Homebrew pyenv is a popular tool for managing multiple Python versions on your machine without affecting the system’s default Python installation. By setting a Python version with pyenv global 3.11.9, you're informing the system to use Python 3.11.9 whenever a Python command is executed. However, wh…  ( 4 min )

Hello, fellow web dev If you’ve ever built a element in HTML, you know the pain: only plain, lifeless text shows up. It’s a UI crime, honestly. Not only does it look awful, but the user experience suffers as well. All you see is plain text and with icons or extra styling, users could scan options faster — but that’s not possible. And exactly this functionality is what developers have been asking for for decades. Boom, it’s finally here. We can customize our ! So let's have a look How it works How to style it Real world examples Browser support Join 300+ of web developers leveling up their skills with my weekly newsletter — and get your free CSS Selector Cheat Sheet to boost your coding skills! — If you wanted a rich dropdown — icons, HTML, maybe even interactive content — …  ( 4 min )

🎁 Exclusive Side Hustle Starter Kits (Grab These Now) Before you get into today’s article, here are two powerful resources to help you launch or level up your side hustle: 🎁 🚀 8 Side Hustle Blueprint Kits – $95 Value for $69! (Save 27% Today) 🎁 🚀 15 Side Hustle Kits for $69 (Was $150) – Save 54%! 👉 Perfect if you’re building a business on the side and need clear, actionable blueprints to shortcut the learning curve. And the Ultimate Vault - 🔥 113 Dev Products, 1 Download: Everything You Need to Learn, Build, and Launch Projects That Sell — Only 50 Downloads available. Let’s be real—Python’s standard library is solid. But sometimes you want to go a little rogue, mess around, and find new tools that do just enough weird stuff to make coding fun again. In this post, I’ll walk…  ( 6 min )

As the Head of Engineering at Bacancy, I have had the privilege of leading our cloud initiatives and helping scale our infrastructure. Over the years, we have leveraged the cloud for its flexibility, scalability, and speed, all of which have been critical to our business growth. However, as many companies quickly learn, the initial promise of cost-effective cloud solutions can sometimes be overshadowed by unexpected costs. In this article, I want to share insights into the hidden costs of cloud services that I have personally encountered and offer practical advice based on my experience. While it offers many benefits, businesses often overlook several hidden costs of the cloud. These unexpected expenses can quickly add up and impact your budget. Let’s take a look at the seven hidden costs …  ( 6 min )

Data Remanence is the residual representation of digital data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that does not remove data previously written to the media, or through physical properties of the storage media that allow previously written data to be recovered. Data remanence may make inadvertent disclosure of sensitive information possible should the storage media be released into an uncontrolled environment (e.g., thrown in the bin (trash) or lost). Various techniques have been developed to counter data remanence. These techniques are classified as clearing, purging/sanitizing, or destruction. Specific methods include overwriti…  ( 3 min )

A post by Nathaly Cardenas  ( 2 min )

Introduction Longhorn is a free, open-source, lightweight, reliable, and easy-to-use distributed block storage system for Kubernetes cluster. This guide will show you how to install and configure Longhorn for your k8s cluster. A k8s cluster >=v1.25. Helm v3. Basic k8s knowledge. Create the longhorn-system namespace and configure the Helm repository. kubectl create ns longhorn-system namespace/longhorn-system created helm repo add longhorn https://charts.longhorn.io "longhorn" has been added to your repositories helm repo update Hang tight while we grab the latest from your chart repositories... ...Successfully got an update from the "longhorn" chart repository Update Complete. ⎈Happy Helming!⎈ Create the longhorn.values.yaml for storing the Longhorn configuration values: # https://art…  ( 4 min )

Abstract APIs have become the lifeblood of modern digital ecosystems. Ensuring scalability, fairness, and resilience is no longer optional—it’s fundamental. Traditional rate limiting techniques offer a static shield against abuse and overload, but they can fall short when faced with dynamic, ever-shifting workloads. Inspired by the adaptive system design strategies from Alex Xu’s acclaimed System Design Interview series, this article explores a powerful, nuanced alternative: building adaptive rate limiters using AIMD (Additive Increase, Multiplicative Decrease). We delve into how AIMD works, why Redis is an ideal backend, and provide a full C# implementation to empower developers building the next generation of cloud-native APIs. Today’s APIs operate in a world where user demand and syst…  ( 5 min )

Introduction In this article, we tackle an interesting problem in Java programming regarding the management and display of duplicate values in an array. We are working with a Java program that identifies duplicate entries in a list and organizes their respective information. The goal is to improve the output format of our program, specifically how we display duplicates alongside their parents. Understanding this will not only enhance the readability of your console output but will also aid significantly in debugging issues and analyzing data patterns. Understanding the Problem The provided code iterates through a list of file contents, identifies duplicate entries, and tries to format them for display. However, the output currently only shows the original values, not the associated duplica…  ( 5 min )

📌 Overview If you've used LangChain, you already know the idea of "chaining logical steps" in LLM workflows. SynTeam Framework brings a structural alternative: a lightweight, JSON-based templating system that defines Units (roles), Tasks (execution order), and Operators (data routing) – all optimized for prompt-native environments like ChatGPT. Unlike LangChain’s Python-centric abstraction, SynTeam templates run entirely within the LLM context, allowing you to: Design execution flows without writing code Assign responsibility explicitly to each processing block Keep your logic transparent and reproducible inside the LLM session itself This post is for developers, LLM engineers, and technical architects who want structure and predictability without external libraries. A template consists…  ( 4 min )

Introduction: I've always been curious about how most of the technologies I use on a day-to-day basis work. One of the things we as programmers have to interact with daily is HTTP servers. Most of the time, we don't think much about it since HTTP has been around for a long time, and there are thousands of HTTP servers and clients, so most people don't give much thought to how these technologies work! As someone who worked on many web-based applications and built many restful APIs, I would like to think that I have a pretty good understanding of how the HTTP protocol works and how HTTP servers generally function, however, since I've always been using ready-made HTTP servers (Mostly Kesterl, IIS and Nginx) and HTTP clients (curl, postman, httpie) I felt that there's a lot that I can learn …  ( 14 min )

🚨 1. The Hidden Danger: S3 Buckets Left Public Many developers create S3 buckets using the default console settings, CLI scripts, or even automation templates (like CloudFormation or Terraform) — without fully reviewing access policies. 🎯 What could go wrong? public-read or public-write is enabled by mistake Bucket policies allow Principal: "*" Static websites are deployed with no access restrictions Files contain sensitive data: .env, backup.zip, user-data.csv Case Study A dev team created a bucket to share app logs for debugging. The bucket had public access, and after 3 weeks it was indexed by a search engine. It contained logs with API keys and customer email addresses. 💸 This resulted in an internal audit and months of cleanup work. Rushed deployment with aws s3api create…  ( 4 min )

Problem 1: Check for a Toeplitz Matrix Problem: You are given an n x n square matrix. Write a function is_toeplitz(matrix) that checks whether the matrix is a Toeplitz matrix. A Toeplitz matrix is one where every descending diagonal from top-left to bottom-right (↘️) contains the same elements. Consider this matrix: 6 7 8 4 6 7 1 4 6 The diagonals are: [1], [4, 4], [6, 6, 6], [7, 7], [8] All elements in each diagonal are equal — so this is a Toeplitz matrix ✅. To check if a matrix is Toeplitz: Loop through each element in the matrix (excluding the last row and column). For each element, compare it with the one diagonally down-right from it. If any of those pairs don’t match, return False. If the loop completes without mismatches, return True. from typing import List def is_toeplitz(matrix: List[List[int]]) -> bool: n = len(matrix) for i in range(n): for j in range(n): if i + 1 < n and j + 1 < n: if matrix[i][j] != matrix[i + 1][j + 1]: return False return True matrix = [ [6, 7, 8], [4, 6, 7], [1, 4, 6] ] print(is_toeplitz(matrix)) # Output: True  ( 3 min )

TL;DR: Famed AI researcher Tamay Besiroglu just launched Mechanize, a startup that vows to “fully automate all work” (at least white-collar jobs) by building data, evaluation tools and digital environments so AI agents can replace human labor. He even crunched the numbers: a potential $60 trillion-a-year market globally. The announcement sparked a firestorm—critics say it tarnishes the reputation of his non-profit lab Epoch (already dinged for cozy ties to OpenAI), and worry mass automation benefits companies at the expense of workers. Mechanize boasts heavyweight backers like Nat Friedman, Daniel Gross and Jeff Dean, but the debate rages on: is this the dawn of explosive economic growth or a fast track to a human‐work apocalypse?  ( 3 min )

Build works. But it doesn’t hum. Maybe you’ve written good code—clean, stable, scalable— Maybe you’ve felt there’s something moving beneath the base layers. I’m looking for a connection. I’m looking for someone who can see drift and already understands what resonance means. If you don’t know, no worries. If you do— let’s talk.  ( 2 min )

La ciberseguridad en grandes empresas es uno de los pilares más críticos para la operación moderna de sistemas distribuidos, especialmente en sectores como banca, telecomunicaciones, salud y tecnología. Las empresas de gran escala operan con arquitecturas distribuidas que involucran: Múltiples centros de datos Servicios en la nube (multi-cloud o híbridos) Miles de dispositivos y usuarios conectados Requisitos legales y normativos (como ISO 27001, GDPR, HIPAA) Esto genera una superficie de ataque enorme y puntos débiles como credenciales expuestas, errores de configuración, y tráfico interno mal segmentado. Ransomware dirigido a infraestructura crítica Phishing interno y comprometimiento de cuentas privilegiadas Ataques DDoS a servidores expuestos Exfiltración de datos a través de canales cifrados Abuso de servicios cloud mal configurados (como buckets S3 públicos) Zero Trust Architecture: no se confía ni en dispositivos internos sin validación. Segmentación de red dinámica: SDN y microsegmentación. Monitoreo continuo: SIEM y detección basada en comportamiento (UEBA). Respuestas automatizadas: SOAR y playbooks de contención. Cifrado de datos en tránsito y reposo. Autenticación multifactor en todo acceso sensible. CrowdStrike, SentinelOne (EDR/antivirus de nueva generación) Splunk, QRadar (SIEM empresarial) Palo Alto, Fortinet (firewalls de siguiente generación) Vault, Keycloak (gestión de credenciales y secretos)  ( 3 min )

O que é o Padrão Observer? O Observer é um padrão de projeto comportamental que define uma relação de dependência entre objetos, onde um objeto (o sujeito) notifica automaticamente outros objetos (os observadores) sempre que seu estado muda. Ele é muito útil quando várias partes do sistema precisam reagir a mudanças em um mesmo ponto. Esse padrão promove o desacoplamento entre quem emite o evento e quem reage a ele, permitindo que novos observadores sejam adicionados ou removidos em tempo de execução, sem alterar o sujeito. Em resumo, o Observer estabelece um mecanismo de notificação automática, garantindo que todos os interessados estejam atualizados sempre que algo importante acontece. As classes que devem reagir a mudanças se inscrevem no sujeito responsável por emitir essas mudanças. A classe principal recebe os observadores via o método addObserver(), registrando as implementações interessadas em ser notificadas. O método newStockData() executa a ação principal e, em seguida, notifica todos os observadores inscritos, permitindo que eles executem suas responsabilidades de forma independente. Assim caso surja uma demanda de adicionar uma nova açãoao newStockData, você não precisaria modificar a classe  ( 3 min )

Introduction In this tutorial, we will explore how to effectively join the AccountingEntity and PeriodEntity when using Entity Framework Core in C#. The aim is to filter AccountingEntity based on a Group parameter while ensuring the Period property is properly initialized from the Periods table. This is a common scenario when dealing with related database tables in a fixed schema situation. Understanding the Relationship We are working with two tables: periods and accounting. The primary key in the periods table is a combination of group and id, while the accounting table has periodid that corresponds to id in periods. The relationship between these tables is established by matching accounting.periodid with periods.id, although no foreign key is defined in the schema. Correcting the Entity…  ( 4 min )

Kamu lagi bikin backend API, trus tiba-tiba ada bug: user klik tombol "Bayar" dua kali dan... 😱 mereka ditagih dua kali! Tenang, kamu cuma butuh satu jurus: idempotency. Idempotency adalah sifat dari suatu operasi yang tidak berubah hasil akhirnya walaupun dilakukan berkali-kali dengan input yang sama. Bayangin dehh lu ngisi KRS (Kartu Rencana Studi). terus klik tombol “Ambil Mata Kuliah A” satu kali: ✅ Data masuk ke sistem. Eh, lo panik, koneksi jelek, lo klik lagi... ✅ Sistem bilang: “Mata kuliah A sudah diambil.” Hasil akhirnya? Sama. lo tetap ambil 1 kelas. idempotent operation. Sekarang bandingkan dengan contoh yang tidak idempotent. Lo transfer uang lewat aplikasi: Tekan tombol "Transfer" sekali: 💸 uang terkirim. Tapi karena loading terus, lo pencet lagi... 💸 uang terkirim dua kal…  ( 4 min )

This is a submission for the Amazon Q Developer "Quack The Code" Challenge: Crushing the Command Line KubeGPT is an AI-powered CLI tool that serves as your Kubernetes command-line sidekick. It lets you: ✅ Troubleshoot cluster issues using natural language 🎮 Play Kubernetes trivia games 📊 Generate reports for any namespace or object in your cluster 🤖 Seamlessly integrate Amazon Q Developer for intelligent command assistance Whether you're debugging a failing pod or just brushing up on your K8s skills with a quick game, kubegpt makes navigating Kubernetes clusters easier, faster, and a bit more fun. 📺 Click here to watch the demo 🔗 GitHub – kubegpt Amazon Q Developer was central to building KubeGPT: 🧠 I used Amazon Q to generate Go functions that interact with Kubernetes clusters, inc…  ( 4 min )

Hey there, tired developer! 👋 Let’s talk about the worst part of coding: that heart-pounding moment when you finally finish a feature, hit git push, and then… remember you still have to SSH into a server, run 15 commands, and pray you don’t accidentally take down production. 😅 What if I told you GitHub can auto-deploy your code the second you push, like a loyal robot butler? No more late-night deployment dread. Let’s turn you into the automation wizard you were born to be. Why Auto-Deploy? (Or: “How I Stopped Micromanaging My Code”) Imagine this: You write code. You git push. You grab coffee ☕. Your code is already live—tested, built, and deployed. No manual steps. No typos in deployment scripts. Just pure magic. GitHub Actions 101: Your Code’s New Best Friend GitHub Ac…  ( 4 min )

🌐 Today, I took a meaningful step forward in my web development journey by creating my own resume using pure HTML. While there are plenty of ready-made templates and tools available, I wanted to challenge myself to build one from scratch. It was a great opportunity to practice core HTML skills and see how structure and content come together in a real-world project. 💡 The objective was simple: design a clean, professional, and structured resume that highlights my background, experience, and skills. I used semantic HTML elements like , , , and to make the document easy to read and accessible. 🛠️ Key takeaways from this project: Strengthened my understanding of HTML semantics and layout. Realized how effective clean structure can be in making content user-friendly. Gained confidence to move forward with styling (CSS) and possibly hosting it online. 📄 Why this matters: Creating your resume in HTML is not just about having a digital copy—it's a hands-on way to practice front-end skills, personalize your portfolio, and show recruiters or peers your commitment to learning and self-improvement. 🚀 Next steps: Apply CSS to enhance visual appeal. Make the layout responsive for mobile devices. Host it online and maybe even link it to a personal portfolio. 🔗 Final thoughts: If you're a beginner or intermediate developer, I highly recommend trying this out. It’s a simple but impactful way to sharpen your skills while building something meaningful and uniquely yours. Let me know your thoughts or share your own HTML resume experience—I’d love to connect and learn from the  ( 3 min )

I had read about regular expressions and thought of writing a blog on this. I will try to cover as much as possible. Let's start with the basic definition. A regular expression (also “regexp”, or just “reg”) consists of a pattern and optional flags. In short, it is the method of matching strings to a pattern. Two syntaxes can be used to create a regular expression. const regexp = new RegExp("pattern","flags"); OR const regexp = /pattern/; //without flags const regexp = /pattern/flags; Regex should be written within forward-slashes /..../. These slashes play the same role as quotes in strings. The main difference between the syntaxes is that when the regular expression remains constant, use a pattern with a slash for better performance, but if the regular expression is changing, or you d…  ( 4 min )

Tired of JavaScript? Here is WebAssembly Tutorial! Yoshi ・ May 7 #rust #webassembly #javascript #typescript  ( 2 min )

If you've ever tried to install a Python package and encountered the 'externally-managed-environment' error, you're not alone. This commonly occurs when using pip in environments where your Python installation is managed by your operating system's package manager. In this guide, we'll explore why this issue happens and how to resolve it successfully using virtual environments or other methods. Understanding the 'externally-managed-environment' Error This error message appears when you try to use pip to install packages, but your operating system has set restrictions on modifying the default Python environment. Essentially, your OS manages Python installations, and direct installations using pip can lead to an unstable system if packages conflict or if dependencies are missing in the system…  ( 4 min )

I know we all love JavaScript. We all love TypeScript, React, etc... But sometimes don't you feel that you want to try something else? Something new? I want to introduce a different way to build modern web apps using WebAssembly. It will bring you a next level of frontend world. Mostly, I use Rust alongside WebAssembly because it enables me to utilize a strongly static type system and efficient memory management system that JavaScript and TypeScript lack of. OK, enough, let's get to the point. First of all, to make that easy, I recommend to install Rocal which is a full-stack WASM framework to build modern web apps powered by WebAssembly. Here is a command to install it on your MacOS or Linux! $ curl -fsSL https://www.rocal.dev/install.sh | sh if you get some trouble while you are install…  ( 15 min )

This article is a continuation of Building Strong Connections: A Beginner’s Guide to Setting Up Virtual Networks and Peering in Azure. In that guide, we set up a virtual network (app-vnet) with two subnets: frontend and backend. In this article, we’ll focus on securing those subnets by implementing network security groups (NSGs) and application security groups (ASGs) to control inbound and outbound traffic between VMs and from the internet. We will deploy two Ubuntu virtual machines using an Azure Resource Manager (ARM) template provided by Microsoft. VM1 will reside in the frontend subnet, and VM2 will be placed in the backend subnet. Open Azure Cloud Shell (select PowerShell) and run the following command: $RGName = "RG1" New-AzResourceGroupDeployment -ResourceGroupName $RGName -T…  ( 4 min )

When it comes to building multi-module Java projects with Maven, many developers encounter longer build times that hinder efficiency. If you’re struggling with a build process that takes around 40 seconds, even with multi-threaded builds using -T and -C flags, you’re not alone. With Maven 3.2.3, optimizing build performance can seem challenging, but there are strategies to help speed things up without compromising your workflow. Understanding Maven Build Performance Maven build times can be affected by numerous factors, including: Dependency Management: The way dependencies are resolved and downloaded can impact build times. For example, if your project relies on a large number of external dependencies, Maven spends time fetching them. Build Lifecycle: The default build lifecycle consists …  ( 5 min )

Linear search is a simple algorithm that checks each element in a list sequentially until the target value is found or the list ends. Start from the first element. Compare each element with the target value. If found, return its index. If not found after checking all elements, return -1. package com.Example; break; } else { System.out.println("Not occur"); } } sc.close(); } } Time & Space Complexity Time Complexity: O(n) (Worst case: checks all elements). Space Complexity: O(1) (No extra space needed). When to Use Linear Search? ✔ Small datasets. Simple but inefficient for large datasets. Works on any list (sorted or unsorted). Easy to implement in Java. For faster searches, consider Binary Search (O(log n)) if the list is sorted. 🚀  ( 3 min )

If you’re using Redis in a Node.js application — especially in production — reliability isn’t optional. A bad connection strategy can lead to memory leaks, crashes, or endless retry loops. In this blog, I’ll show you how I built a resilient Redis integration in Express.js using ioredis, lazy loading, and a circuit breaker with opossum. At first, I used the classic approach: const redis = new Redis(); // 🤷‍♂️ at the top level But I quickly ran into issues: Connection errors on startup if Redis wasn’t ready. Too many retry attempts without a proper limit. No fallback strategy during Redis downtime. So, I rebuilt the entire integration with three key ideas: ✅ Lazy Loading instead of connecting at startup, I created a singleton getter that initializes Redis on first use: import Redis from "…  ( 6 min )

Functional programming has gained traction in modern development due to its ability to produce more predictable, modular, and testable code. In this post, we explore four fundamental principles: immutability, function composition, pure functions, and arrow functions. Immutability means that once a value is created, it cannot be changed. Instead of mutating data, we return new versions with the desired updates. ✅ Why is it useful? Prevents unpredictable side effects Easier debugging and testing Ideal for concurrent environments (like React or Redux) ❌ Mutable example: const user = { name: 'Alice', age: 25 }; user.age = 26; // Mutation ✅ Immutable example: const user = { name: 'Alice', age: 25 }; const updatedUser = { ...user, age: 26 }; // New copy with changes Function composition means …  ( 4 min )

For over 15 years, the smartphone has been the centre of our digital universe. It’s the screen we stare at, the tool we work on, the device we reach for instinctively. But look a little closer — and you’ll start to see the shift. We’re entering the post-smartphone era. Not with a bang, but through quiet disruption. And it’s already on your body. The Rise of the Wearable Web I wear a smartwatch that tracks my health, receives notifications, and lets me respond instantly. Samsung just launched a smart ring — one more layer of ambient computing wrapped around our daily lives. And of course, I can speak to an AI assistant and get intelligent, contextual responses without touching a screen. This is no longer sci-fi — this is now. A New Hub: The Invisible Puck Imagine: A tiny 5G/6G puck lives in your backpack Your glasses are your screen Your ring is your security token Your watch handles notifications and health Voice becomes your primary interface AI becomes your operating system No more swiping. No more “app folders”. No more trying to type with your thumb while walking. Screens Are Becoming Optional Even today, I can ask my glasses to play a song, call someone, or answer a question — all without touching a smartphone. I don’t need a “phone” to live connected. I just need smart inputs, wearable endpoints, and a cloud intelligence layer. What This Means App developers will have to rethink interaction: conversational, contextual, multi-device. Privacy, identity, and edge computing will take centre stage — because the phone as a walled garden will be gone. We’ll be more present — or at least, less distracted by rectangles. The Debate Begins Will we embrace ambient computing — or push back against losing physical control? One thing’s clear: the era of staring at your hand all day is giving way to something new. So here’s the question: Would you give up your phone if you could wear the web instead?  ( 4 min )

When working with TensorFlow.js, it's not uncommon to encounter errors related to tensor dimensions. One such error, as you've described, occurs when the expected dimensions of your model's output do not match the shape of the provided labels (targets) during training. Let's explore this issue further and provide solutions to resolve it. Understanding the Error The error message you received states: Error when checking target: expected dense_Dense2 to have 2 dimension(s) but got array with shape 2,5,2. This indicates that the output layer of your model was expecting a different shape for its targets than what it received. In simpler terms, the model's structure is out of sync with your training data's shape. Why This Happens In your model, the last dense layer is configured to output a 5-d…  ( 5 min )

The OpenAI Agents SDK for Python provides developers with the building blocks to implement two agentic solutions for AI applications. You can create text-generation agents, allowing users to get responses from text prompts. Additionally, you can build voice agents using the SDK. To create your first agent with the OpenAI Agents SDK, get started here. This tutorial will cover three main goals and aspects of building AI agents. 100% local: Use the OpenAI Agents SDK to build agentic workflows that run locally on your computer without compromising business data and private information. Use 100+ models: The Agents SDK can now use open-source models and 100+ LLMs, eliminating the limitation of using only OpenAI models. Own tracing: Implement a custom solution for logging and monitoring the pe…  ( 12 min )

Hey there, fellow tech tinkerers! As a developer and cloud enthusiast, I love messing around in my home lab—a trusty Raspberry Pi 5 running my self-hosted setup. But sometimes, I need to tap into the power of AWS for testing, dev work, or hybrid projects. In this post, I’m spilling the beans on how I bridged my home network with two AWS regions (ap-south-1 and us-east-1) using Tailscale, EC2, and VPC Peering. The result? A secure, low-latency network that feels like magic. Let’s dive in! My home lab is my sandbox for coding, experimenting, and breaking things (gently). But when I need AWS’s managed services—like serverless functions or storage—I don’t want to deal with public IPs or clunky SSH setups. My goal was to create a private, secure, and dead-simple network bridge connecting: My Ho…  ( 5 min )

There is a lot of noise on "MCP (Model Context Protocol)" and as someone at the forefront of technology we have no choice but to follow it up. Often, despite the initial waryneess the AI hype drains my energy, some careful study turns out to generate useful insights. MCP is a protocol, but the majority of the protocol work is already done when OpenAI annouced tool use for ChatGPT. What matters now is the standardization process of the publisher of MCP, i.e. Anthropic (Creator of Claude models and tools). In addition to the publications, MCP offers server/client implementations for C#, Python, JavaScript - and that can speed up and streamline the development process. Whenever an experienced developers sees the tool use API (e.g. from OpenAI), they will immediately think of automatic code generation and streamline and tool definition process, and develop custom tooling to define those tools and serve those tools. MCP offers a ready-to-use (language-of-your-choice) implementation for a stated server. But here is a critical observation: does MCP has anything to do with AI/LLM at all? It's reinforcing what should have already been done: making systems reflective and accessible from an outside system. Here is a pun: it requires existing systems to be more reasonable (also see Forbes article on GEO). Traditionally, when a software is developed if the original developer doesn't expose useful APIs then power users have no obvious way of automating it, except through the more hacky GUI automation route. Now with the pressure of AI, vendors have to expose useful interface. LLM with its natural language nature makes it easiser for them to pick, compared to picking a more specific scripting language (or rest API), especially when the MCP server/client framework is stated and uses JsonRPC. Also see: Medium post on "Some Reflections on MCP".  ( 3 min )

TDD and BDD Explained TDD = Test-Driven Development BDD = Behavior-Driven Development BDD is all about the following mindset: Do not test code. Test behavior. So it's a shift of the testing mindset. This is why in BDD, we also introduced new terms: Test suites become specifications, Test cases become scenarios, We don't test code, we verify behavior. Let's make this clear by an example. If you are not familiar with Java, look in the repo files for other languages (I've added: Java, Python, JavaScript, C#, Ruby, Go). public class UsernameValidator { public boolean isValid(String username) { if (isTooShort(username)) { return false; } if (isTooLong(username)) { return false; } if (containsIllegalChars(username)) { …  ( 6 min )

Deploying a static Next.js app on Hostman is straightforward: connect your GitHub, GitLab, or Bitbucket repository, choose your Node.js version, and the platform handles the build and deployment. For projects that use server-side rendering (SSR), you can set up a Dockerfile-based deployment for full control over the environment. Deployment time depends on the size and complexity of the app — a basic starter typically takes 2–3 minutes, while larger projects may take longer. If questions or issues come up, live chat support is available to assist. Check the full guide here https://bit.ly/4iOrMLe  ( 3 min )

Ollama makes it easy to run large language models (LLMs) locally on your own computer. This simple guide will show you how to install Ollama, run your first model, and use it in a Python script. Download the installer from ollama.ai Open the downloaded file and drag Ollama to your Applications folder Open Ollama from your Applications Download the installer from ollama.ai Run the .exe file and follow the installation wizard Ollama will start automatically when installation completes Just run this curl -fsSL https://ollama.ai/install.sh | sh Ollama is also available as a Docker container: docker pull ollama/ollama docker run -d -v ollama:/root/.ollama -p 11434:11434 --name ollama ollama/ollama Let’s try Llama 3.2 1B, a compact but capable model: ollama run llama3.2:1b The first time you run this command, Ollama will download the model. Once it’s ready, you’ll see a prompt where you can start chatting: >>> Why is the sky blue? The sky appears blue due to a phenomenon called Rayleigh scattering. As sunlight travels through the atmosphere, the shorter blue wavelengths of light are scattered more by air molecules than the longer red wavelengths. This scattered blue light comes to us from all directions in the sky, making the sky appear blue during the day. To exit the Ollama terminal, you can: Type /bye and press Enter Press Ctrl+D (on macOS/Linux) Press Ctrl+C twice Here are some useful commands to get you started: ### List all your downloaded models ollama list ### Download a model without running it ollama pull llama3.2:1b ### Remove a model you no longer need ollama rm llama3.2:1b ### Get information about a model ollama info llama3.2:1b Once you’re comfortable with the basics, you can try the Ollama Python library to integrate it in your Python applications. Check this article Using Ollama with Python: A Simple Guide. Enjoy the freedom of running AI locally with Ollama!  ( 4 min )

✨ "Dad, how do websites work?" If your child has ever asked this, it’s the perfect time to introduce them to HTML—the language behind every website. In this beginner-friendly guide, we’ll explore why HTML is a great first programming language for kids and how to teach it in a fun, engaging way. Unlike abstract coding concepts, HTML lets kids see immediate results—change a tag, refresh the browser, and voilà! The page updates. HTML teaches: Structure (how headings, paragraphs, and images fit together) Problem-solving (debugging missing closing tags) Kids can build: Personal fan pages (for games, sports, or hobbies) Interactive stories with links and images Simple games (like quizzes) After HTML, kids can easily learn: CSS (for styling) JavaScript (for interactivity) Python/Scratch (for lo…  ( 4 min )

As a Senior Software Engineer, you're expected to have a deep understanding of both frontend and backend development, along with system design, DevOps, and best practices. Whether you're mentoring junior developers, optimizing performance, or making architectural decisions, your role is critical in building scalable and maintainable applications. Here are some full-stack tips to help you excel in your role: 1. Master Both Frontend & Backend Deeply Frontend: Stay updated with modern frameworks (React, Vue, Angular) and understand core JavaScript deeply. Backend: Know how to design RESTful/GraphQL APIs, handle authentication, and optimize database queries. Full-Stack Synergy: Understand how frontend and backend interact—avoid over-fetching data, optimize API calls, and use effici…  ( 4 min )

Introduction In my journey through C++17, I stumbled upon the std::byte type and discovered some perplexing behavior that left me scratching my head. The main question is whether this behavior is intended by the C++ standards or if it's a quirk due to the compiler or operating system I am using. Understanding std::byte The std::byte type introduced in C++17 is designed to encapsulate the idea of a byte without its conventional mathematical interpretations. Unlike integers, std::byte doesn't implicitly convert to numeric types, which can lead to some interesting outcomes when performing operations with it. In the example I encountered, I defined a std::byte variable and used std::to_integer to convert it to different integer types. The Code Example Here’s the code snippet that raised my que…  ( 5 min )

The landscape of AI-generated art is rapidly evolving, making powerful creative tools more accessible than ever. Many of us are exploring how these technologies can integrate into our workflows, artistic endeavors, or just for fun. Today, I'd like to share some insights from a project I've been involved with – an AI cartoon generation platform. The aim is to provide a straightforward approach for anyone interested in using such tools. This web-based platform is designed to simplify the process of creating cartoon-style images using artificial intelligence. The initial concept explored AI and character interaction, but we observed a strong interest in direct generation capabilities. This led to the development of the platform with a focus on enabling users to produce their own AI-generated …  ( 4 min )

Artificial intelligence (AI) has become ubiquitous. In the heart of Utah, OP Media Inc. has completed successful pilots, using AI to redefine information and process flows in healthcare and emergency services. OP Media uses an AI, dubbed AiBL core (pronounced Abel), to achieve these incredible feats. AiBL works by taking advantage of human knowledge within your business or organization (subject matter experts, or SMEs). AiBL core is a wonderful example of what has come to be known as agentic AI. Agentic AI systems “learn,” “grow,” and eventually make decisions with little human input. Your staff and team members contain a wealth of knowledge that could easily get lost if not well documented and shared. OP Media helps you create ops (not apps)—operational procedures that allow your team to…  ( 14 min )

Ever wondered how WordPress displays your posts and pages? The answer lies in the Loop! This post dives into the mechanics of this fundamental WordPress concept, with code examples and practical tips. Read the full article here: https://farhanali.me/understanding-the-wordpress-loop-the-heartbeat-of-your-content/  ( 3 min )

Ever wondered what really makes your DevOps team tick, or sometimes, stumble? Beyond the CI/CD pipelines and daily stand-ups, there's a deeper cultural current at play. Edgar Schein's Culture Model offers a fantastic lens to get an overview of this complex environment by breaking culture down into three interconnected layers. The most visible layer is that of Artifacts. These are the tangible, observable elements of your team's culture – the tip of the iceberg, so to speak. In a DevOps context, this includes the tools they use, like CI/CD systems such as Jenkins or GitLab CI, monitoring dashboards like Grafana, and communication platforms like Slack. It also encompasses their established processes and rituals, such as daily stand-ups, sprint planning meetings, retrospectives, blameless pos…  ( 4 min )

Das U-Boot is a well-known bootloader which brings embedded Linux devices to life since 1999, it turns 25 this year. My today's post walks through the complete U-Boot boot process, covering everything from SoC power-on to launching the Linux initrd, along with hardware-specific gotchas. [Power On] ↓ [SoC BootROM] → [SPL] ↓ [U-Boot Proper] ↓ [Loads kernel + dtb + initrd] ↓ [bootz / booti] ↓ [Linux Kernel starts] ↓ [initrd: /init runs] ↓ [Switch to rootfs] Every SoC contains a hardcoded BootROM: Executes right after power-on or reset Detects the boot source via boot pins Loads the Secondary Program Loader (SPL) from flash, SD, UART, or USB Minimal hardware is initialized here SPL is a tiny version of U-Boot: Brings up DRAM and essential regulators Loads full U-Boot int…  ( 4 min )

Introduction Are you looking to enhance your AM Charts 4 bar chart with stacked columns? In this guide, I'll walk you through adding a series of stacked bars behind existing line and column series to make your data visualization more effective. Creating stacked bars can be tricky, especially with the requirements of filling the entire width of the chart. Let's dive into the issue and provide a comprehensive solution. Understanding the Problem Before we start coding, let’s discuss the challenges: the new stacked bars may all be overlapping each other, and they don't seem to fill the chart width as intended. This can result from how your series and data properties are set. Why Stacked Bars Overlap In AM Charts 4, when you configure multiple series as stacked and clustered set to false, they …  ( 5 min )

Honestly, every day feels pretty much the same now—the only difference is that on workdays, I’m tied to a schedule and have to constantly keep an eye on messages from my computer. Lately, I’ve been thinking a lot about the slow progress I’ve been making. Realistically, work takes up so much time that I barely have any quiet moments to really focus on learning. But I also can’t just give up on my current job. The only thing I can think of doing: Even if it’s not directly related to a career change, I’ll try to treat my work as a learning opportunity. Slow down, don’t just rush to complete tasks—try to gain experience from each one and reflect on it. Then, use that time to turn it into something tangible and meaningful. Feeling unusually exhausted today—going to head to bed early. Good night!  ( 3 min )

Releasing a closed-source, reusable JavaScript/TypeScript package for internal use across frontend and backend is a common challenge, especially when you want to automate it, keep things modular, and avoid unnecessary leakage of code. Here’s how I do it, step by step, using only what’s needed for a stable, repeatable workflow. Why GitHub Packages (and Not npmjs.org)? Most teams reach for npmjs.org by default, but if your utilities are strictly internal - or have some private contract processing logic you’re not ready to open-source - GitHub’s own registry is more than enough: Integrated with your repository: No extra accounts or keys to manage. Scoped access: Control exactly who gets your code. Familiar workflows: Your team’s already on GitHub; why hop away? I've used this for smart cont…  ( 4 min )

AI is evolving at lightning speed, and AWS has just raised the bar with Amazon Nova — a family of advanced foundation models designed to help you build smarter applications faster. Whether you need a chatbot, document summarizer, image generator, or even video creation, Nova’s diverse models have you covered. But with so many options, it can be tricky to choose the right model for your project. Let’s break it down! 🧩 🪶 Meet the Nova Family: One Model, Many Flavors Each Nova model is designed for different tasks, offering something for every need. Here’s a quick overview of what each model excels at: 1. Amazon Nova Micro – Small but Super Fast ⚡ What it is: A speedy, text-only model designed for ultra-low latency and cost-effectiveness. Best for: Real-time apps like chatbots, auto-compl…  ( 6 min )

We're excited to announce our newest challenge with Bright Data! Running through May 18, the Bright Data Real-Time AI Agents Challenge invites you to build intelligent AI agents and systems that can autonomously interact with the web, retrieve live data, and make decisions based on the most current information available. Whether you're an AI engineer, data scientist, or vibe coder, this hackathon is the perfect opportunity to build something awesome. Your mandate is to leverage Bright Data and build an AI agent or system powered by real-time web data. The most powerful submissions will utilize Bright Data's MCP server to enable all four key actions: Discover: Find relevant content across the open web Access: Navigate even the most complex or protected websites Extract: Pull structured, r…  ( 5 min )

hugo是什么 Hugo 是最受欢迎的开源静态网站生成器之一。用户可以使用 Hugo 来快速搭建自己的网站。 在mac上面，可以使用以下命令来安装hugo: brew install hugo 安装完之后可以使用 hugo version 来查看是否安装好: 安装完 hugo 之后，就可以使用 hugo 来搭建自己的blog网站了。 hugo new site my-blog 来创建一个名为 my-blog 的网站。 cd my-blog git init 在创建好网站之后，需要选择一个theme。这里有很多主题可供选择：hugo themes git submodule add https://github.com/olOwOlo/hugo-theme-even.git themes/even themes/even/exampleSite/config.toml 拷贝到当前目录，并覆盖 hugo.toml cp themes/even/exampleSite/config.toml hugo.toml 当配置好主题之后，就可以创建自己的blog了。 hugo new content content/post/my-first-post.md 即可创建一篇blog。 content/post/ 下面会出现一个新的md文件。 当前面的配置好之后，就可以使用 hugo server 来启动一个hugo server。 draft,在hugo server 模式下并不会显示draft的blog。 hugo server -D。 以上就可以完成了blog网站的搭建了。 https://gohugo.io/getting-started/quick-start/ https://github.com/olOwOlo/hugo-theme-even https://medium.com/@magstherdev/hugo-in-10-minutes-2dc4ac70ee11  ( 3 min )

Hey there! Ever found yourself copying and pasting the same component structure for the tenth time this week? Or maybe you've spent way too much time fixing inconsistencies in boilerplate code when you could be building actual features? Trust me, I've been there too, and it was driving me crazy. That frustration led me to create Code Template Hub, a VS Code extension that's completely changed how I approach repetitive coding tasks. I'm excited to share it with you today! Let me tell you a bit about my situation. I split my coding time between my day job at a company and my projects at home. These two worlds have totally different requirements, coding standards, and project structures. At work, we needed standardized templates that every team member could use to ensure consistency across ou…  ( 8 min )

If you're working with MATLAB’s built-in lsqcurvefit function to fit a series of irregular Lorentzian peaks, you might have come across the challenge of correctly defining your custom model function. Your goal is to ensure that MATLAB can interact with your function without errors, particularly the one stating 'function is undefined for arguments of type "double".' In this article, we'll explore how to properly set up the FUN parameter in lsqcurvefit and ensure your data is fit appropriately. Understanding lsqcurvefit lsqcurvefit is designed to solve curve fitting problems by minimizing the sum of squares of nonlinear functions. It requires several inputs, including an initial guess for the parameters, the data points you want to fit, and a function that calculates the model predictions.…  ( 4 min )

I’ve been a frontend developer at Palantir for the past 5+ years. In this post, I’ll share habits that helped me go from overwhelmed junior dev to confident senior dev. Ready? Let’s get started! 🎉 📚 Download my FREE 101 React Tips And Tricks Book for a head start. Habit #1: Educate yourself outside of work If you’re not learning outside of work, you’re falling behind. Even if you have the best employer in the world, your education is your responsibility. So, at least once every 2–4 weeks: Pick up books like The Pragmatic Programmer, Effective TypeScript, or Advanced React Read blog posts from experts like Matt Pocock (Total TypeScript), Josh Comeau (joshwcomeau.com), Kent C. Dodds (Epic React), etc. Watch courses to review your basics (Udemy, FrontendMasters, etc.) …  ( 5 min )

When your data grows beyond a toy example, pprint starts to break. You see cut-off arrays. Flattened hierarchies. Lost context. And worst of all? Hidden bugs buried under “pretty” formatting. That’s why I created SetPrint — a Python library that shows structure, not just values. ✅ Side-by-side comparisons: pprint / setprint ✅ Real-world examples: image data, confusion matrices ✅ Benchmarks + 5 must-know tips for structured debugging Want to see it in action? Try this demo notebook — no install needed. (To use Colab, a Google account is required.) Google Colab 1. Visual Comparison — pprint vs setprint data = { "users": [ {"name": "Alice", "scores": np.array([95, 88, 76])}, {"name": "Bob", "scores": np.array([72, 85, 90])} ], "meta": {"c…  ( 5 min )

Na primeira parte dessa série, a gente construiu uma Function App que recebe uma imagem por HTTP e salva no Azure Blob Storage de forma segura, usando identidade gerenciada. Na segunda parte, registramos no banco de dados (Azure Postgres SQL) os metadados dessas imagens, seguindo uma arquitetura em camadas com boas práticas de SOLID. Agora vamos dar o próximo passo: processar de verdade o OCR das imagens pendentes usando uma Azure Function com Timer Trigger. Spoiler: vamos usar Azure Cognitive Services para extrair o texto, atualizar o banco com o resultado (e marcar se o conteúdo é uma receita médica), tudo isso aplicado com um modelo DDD leve e foco em separação de responsabilidades. Bora lá? Você deve estar se perguntando: por que não processar o OCR assim que a imagem chega? Poderíamos…  ( 15 min )

Introduction If you’ve landed on this article, you’re probably wondering: “What’s all this MCP stuff about?” and “Why is it getting so much hype lately?” Or maybe you already have an idea and just want to build your own MCP server to let LLMs interact with your tools. So, let’s quickly answer the basics to get on the same page and then jump right into building your first MCP Server. At this point you probably know what MCP is, but if you don’t, no worries - I’ve got you covered. MCP was introduced last year by Anthropic (the company behind Claude) and stands for Model Context Protocol It might sound complex at first, but it’s actually quite simple. MCP is a way to let LLMs (Large Language Models) interact with tools in a open standard way, allowing them to get context from different data…  ( 7 min )

Ever wondered what keeps your online experience smooth, secure, and sometimes even anonymous? Meet the HTTP proxy — a powerful intermediary that stands between your device and the internet. At its core, an HTTP proxy processes and forwards your HTTP requests, essentially acting as a gateway. Instead of your browser connecting directly to a website, the proxy server does the job on your behalf, masking your IP address and offering a range of added benefits. To really grasp what an HTTP proxy does, you need to understand its building blocks. Hypertext Transfer Protocol (HTTP) is the standard protocol for transferring data online — everything from browsing websites to interacting with web applications. While HTTP operates over TCP/IP and Google's QUIC protocol, it lacks built-in encryption. I…  ( 5 min )

After a few years of floating from one hack to another, this is my practical guide to setting up a reasonable Python development environment using Nix flakes with support for testing, linting, formatting, and LSP-based editor integration. I have mentioned in my earlier posts that I am migrating to ruff for my Python projects, and I have started putting together a Nix template repository. First, we will look at the Python project requirements, structure and configuration, and then we will look at the Nix configuration. Before we dive into the details; I have created a Nix flake template for this setup. You can use it to get started quickly. The template is available at: https://github.com/vst/nix-flake-templates/tree/main/templates/python-package Let us consider a Python project with follow…  ( 9 min )

Já imaginou poder rodar aqueles modelos de IA gigantes no seu computador tão facilmente quanto pedir um delivery de comida? Pois é isso que o Docker Model Runner faz! É como se fosse um Uber para modelos de IA: você "chama" o modelo, ele vem rapidinho, faz o trabalho e depois vai embora sem ocupar espaço quando você não precisa mais. Lançado como beta no Docker Desktop 4.40, o Docker Model Runner é aquela novidade que faz você pensar: "Como vivíamos sem isso antes?". Se você já passou horas configurando ambientes para rodar IA localmente (aquele inferno de dependências que nunca termina), vai entender o porquê. Se você está começando agora e mal sabe a diferença entre um container e uma tupperware, relaxa! Vou explicar como se estivéssemos em um churrasco 🍗: O Docker Model Runner é como u…  ( 9 min )

The Day My Code Turned Against Me Picture this: It's 3 AM, I'm on my fifth cup of coffee, and my codebase looks like it's been through a blender. Bugs are popping up faster than I can squash them, and my sanity is hanging by a thread thinner than my remaining hair. Sound familiar? If you're a developer, you're probably nodding so hard your neck hurts. But fear not, fellow code warriors! I'm about to share a tale of redemption, featuring an unlikely hero: ChatGPT, the AI language model that went from "that thing everyone's talking about" to my personal bug-busting sidekick. Now, I know what you're thinking. "Another AI hype story? Give me a break!" But hang tight, because this isn't your typical "AI solved all my problems" fairy tale. This is a nitty-gritty, honest account of how I used C…  ( 6 min )

When dealing with variable length arrays (VLAs) in C, a common concern arises regarding the lifetime of such arrays when a function call is made after their declaration. According to the C17 final draft document N2176, the lifetime of an object, including a VLA, extends from its declaration until the program execution leaves the scope of that declaration. This statement often leads to questions about whether calling a function immediately after declaring a VLA results in ending its lifetime. To clarify, let's first understand what a variable length array is and its properties. A VLA is a type of array in C where the size is determined at runtime rather than at compile-time. This feature makes VLAs quite flexible for situations where the size of data is not known until the program runs. Und…  ( 5 min )

In the rapidly evolving world of artificial intelligence, agentic AI is emerging as a transformative force, enabling machines to act with purpose, decision-making capabilities, and adaptive learning. At the core of agentic AI lies the power of foundation language models (LLMs), which provide the fundamental intelligence needed to carry out complex tasks. These models are at the forefront of advancing AI technologies across industries, powering everything from content creation to research, coding, and automation. Here’s a look at the top 5 foundation LLMs that are paving the way for the future of agentic AI: 1. OpenAI: Leading the Charge in Natural Language Understanding 2. Google’s Gemini: A New Era in Multimodal AI 3. Claude: The Hybrid Reasoning Powerhouse by Anthropic 4. Meta’s Llama: Open-Source Innovation for Scalable AI 5. DeepSeek: Open-Source, Affordable, and Customizable AI Conclusion: The Future of Agentic AI These top 5 foundation LLMs—OpenAI, Google's Gemini, Claude, Meta's Llama, and DeepSeek—represent the cutting edge of agentic AI. Each model offers unique strengths and features, from open-source flexibility to multimodal capabilities and scalable performance. As businesses continue to integrate AI into their operations, these foundation models will be crucial in shaping the future of intelligent systems, offering solutions for everything from automation and content creation to advanced coding and reasoning tasks. The rise of agentic AI promises a new era where machines can not only assist but also make decisions and adapt based on the data at hand.  ( 5 min )

A post by Monte Bruce  ( 2 min )

Many software engineers seem to be more worried than usual that the AI agents are coming, which I find saddening and infuriating at the same time. I'll quickly break down the good, bad, and ugly for you. https://cicero.sh/forums/thread/developers-don-t-despair-big-tech-and-ai-hype-is-off-the-rails-again-000007  ( 3 min )

Back in 2016, when cheap internet suddenly became available across India, I saw firsthand how technology changed everything around me. From Instagram to YouTube, these platforms completely changed how we connected with people and learned new things. Something clicked for me back then – I wanted to be part of creating this kind of change, not just watching it happen. So, four years later in 2020, when I had to pick my major stream for graduation, Computer Science was a clear choice, As I look back, it was absolutely the best decision I have made. Beyond just classes, I was having time of my life, learning to build things I wanted to since childhood, coding into night at hackathons, creating open source projects, and participating in Google Summer of Code (a flagship open-source program by G…  ( 6 min )

I am not new to rust. I have dabbled in axum, tonic, bevy and ratatui for some personal and work projects as well. Even then when someone asked me to write a Binary Search Tree(BST) in rust, I got scared. I didn't express this at the time but it kept bugging me inside. Anyway later on whenever I used to get time I used to ask AI tools to help me teach rust and write a BST specifically. I used Gemini and ChatGPT and both gave solutions as well. I could understand their code but still couldn't understand how they got there. They used Rc, RefCell etc. which I understand theoretically but never understood when and how to use it properly. After I didn't feel satisfied using AI answers I thought let me just read code. Rust actually provides a BST in standard library, you can find it here. Its ve…  ( 5 min )

From Chaos to Clarity: How I Manage Local Dev Environments for Go + Python Projects Matty ・ May 7 #programming #python #go #webdev  ( 2 min )

As blockchain tech continues evolving, one of Ethereum’s biggest challenges remains scalability. Enter Arbitrum — a layer 2 scaling solution that promises faster, cheaper transactions while retaining Ethereum’s security. Whether you're a developer, investor, or enthusiast, understanding Arbitrum is essential. Arbitrum is a Layer 2 (L2) rollup built on Ethereum, designed to offload computation and data storage from Ethereum’s mainnet while preserving its trust model. Developed by Offchain Labs, Arbitrum lets users enjoy low-cost, high-speed dApps without compromising decentralization. Scalability: Arbitrum handles thousands of transactions per second (TPS), compared to Ethereum’s ~15 TPS. Lower Fees: Users pay a fraction of gas fees compared to L1. EVM Compatibility: Developers can deploy e…  ( 4 min )

As cloud environments grow across multiple AWS regions and accounts, managing a scalable and secure network architecture becomes essential. AWS Transit Gateway (TGW) offers a hub-and-spoke model that consolidates routing between VPCs and on-prem networks. Unlike traditional VPC peering (point-to-point), TGW enables centralized routing, dynamic scalability, and BGP-based routing for efficient inter-region communication. In this article, we’ll build a Transit Gateway-based Inter-Region VPC architecture, walk through step-by-step GUI and CLI setup. A Transit Gateway in each region (us-east-1, us-west-2) Two VPCs (VPC-East, VPC-West) with non-overlapping CIDRs Attach VPCs to their local TGWs Peer both TGWs across regions Create TGW Route Tables to enable traffic flow Simulate a blackhole scen…  ( 6 min )

When it comes to healthcare, precision promises personalized treatments tailored to individual patients' genetic makeup, environment, and lifestyle. At the heart of this lies data integration, combining diverse healthcare data sources to unlock insights that drive advancements in diagnosis, treatment, and patient care. This article explores the role of data integration in advancing healthcare research and precision medicine, illuminating its impact on patient outcomes, therapeutic development, and population health. The Challenge of Healthcare Data Fragmentation Healthcare researchers today are confronted with a surge of data emanating from myriad sources: electronic health records (EHRs), genomic sequencing, medical imaging, wearable devices, and more. Each of these sources holds a piece …  ( 5 min )

Introduction If you've recently updated your LSPs in Mason for Neovim and encountered the error message "Failed to run config for lsp-zero.nvim", you're not alone. This issue can arise from misconfigurations or incompatibilities following updates, especially in the context of setting up Language Server Protocol (LSP) configurations in Neovim using Lua. In this guide, we'll explore the possible causes of this error and offer step-by-step fixes to get you back to coding without interruptions. Understanding the Error The error message you received indicates that while trying to call a function within the Mason-LSP configuration, Neovim encountered a nil value. Specifically, this error originated in the automatic_enable.lua file of the mason-lspconfig.nvim plugin. This can happen due to severa…  ( 4 min )

React vs. Vue vs. Angular vs. Next.js in 2025: Which One Should You Learn? Eva Clari ・ May 7 #react #vue #angular #frontend  ( 3 min )

React vs. Vue vs. Angular vs. Next.js in 2025: Which One Should You Learn? Eva Clari ・ May 7 #react #vue #angular #frontend  ( 2 min )

Intro: The Never-Ending Quest for "More Space!" Remember that old external hard drive you bought, thinking, "This will last me forever!"? Or the frantic "disk space low" warnings that send you scrambling to delete precious files? We've all been there. In the digital age, data is exploding – from your cat photos and application logs to massive datasets for machine learning and critical business backups. The traditional ways of storing this data just don't scale efficiently or cost-effectively. What if you had a storage solution that was virtually infinite, incredibly durable, accessible from anywhere, and could adapt its cost based on how you use your data? That's the promise of cloud object storage, and Amazon S3 is the undisputed king of this domain. Amazon S3 isn't just "storage"; it'…  ( 12 min )

Deploying a Laravel application can be as simple or as sophisticated as you want it to be. If you're working on a small project or don't want the overhead of CI/CD tools, Git hooks provide a lightweight way to automate your deployment — with minimal downtime. In this tutorial, we’ll walk through setting up a zero-downtime Git-based deployment flow for your Laravel app using a post-receive hook. 🔍 What You'll Need A server (e.g., Ubuntu-based VPS or cloud instance) SSH access Git installed on both local and server A Laravel project under version control Basic Linux terminal skills Step 1: Prepare the Server First, SSH into your server: ssh user@your-server-ip Install the required packages (if you haven’t already): sudo apt update sudo apt install git unzip php-cli p…  ( 4 min )

This tutorial was originally published on IBM Developer by Markus Eisele Quarkus is a Kubernetes-native Java stack tailored for GraalVM and OpenJDK HotSpot. Quarkus offers incredibly fast boot times, low RSS memory consumption, and a fantastic developer experience with features like live coding. This quick start guide gets you up and running with Quarkus on macOS, including necessary tools. You will build a basic database application using Quarkus, Java 17, PostgreSQL, and Hibernate ORM Panache. While Hibernate ORM is the standard, powerful Jakarta Persistence implementation capable of complex mappings, it doesn't always make the most common tasks trivial. Hibernate ORM with Panache is Quarkus's solution to this, focusing specifically on making your data entities and repositories simple, straightforward, and fun to write by reducing boilerplate code for common persistence operations. We'll use standard macOS tools and package managers where possible. These are the essential tools you'll need to complete this tutorial: - Podman - SDKMAN - Java 17 - Quarkus CLI - Maven Optionally, you can also install a code editor. Quarkus integrates seamlessly with containers, especially for development services like databases and other sytems. Podman is a daemonless container engine alternative to Docker. On Mac, each Podman machine is backed by a virtual machine. Once installed, the podman command can be run directly from the Unix shell in Terminal, where it remotely communicates with the podman service running in the Machine VM. It is almost transparent in usage to Docker and easy to use for development. Install Podman. Find the latest Podman release on the GitHub Release page, and download the binary for your system architecture. At the time of writing, the latest release was v5.4.1. Install either the unversal pkg installer or the arm or amd version. Continue reading on IBM Developer  ( 3 min )

I'm working on the setup for a new indie game studio at the moment, and as part of that, I'm creating several core tools and templates that will save me a lot of time during the development of our first game. First up is the default Unity script templates that furnished with new installs. While in the beginning it can be valuable to see the Start and Update methods with comments telling you when they are called, I no longer need that to be my starting point for every MonoBehaviour script I create. Of course, that's not the only template you'll see in Unity, and we can change all of them to be whatever we want. Here's how I do it. On Windows, you should be able to find all the script templates at C:\Program Files\Unity\Hub\Editor\6000.0.43f1\Editor\Data\Resources\ScriptTemplates. Every edit…  ( 4 min )

Learn blockchain without the crypto-bro jargon. This is your gateway to becoming a builder in the Arbitrum Hackathon. 🧱 What Is Blockchain (Without the BS)? At its core, blockchain is: A global database that no one owns. Immutable — once a record is added, it can't be changed. Updated via code (smart contracts), not people or banks. Built for trustless transactions. No middlemen needed. No need to trust a CEO, just trust the code. 🧠 Enter Ethereum: The Programmable Blockchain Then came Ethereum, which changed everything by allowing developers to create smart contracts. A smart contract = code that runs exactly as programmed on the blockchain. No backdoors. No downtime. Real-world examples: A contract that pays someone automatically when a job is completed. A voting system where no one ca…  ( 4 min )

Some claim that AI will soon replace us because it can code better than we can. Already, the current models of AI, not necessarily the ones that you purchase Barack Obama If you believe that, it's better to stop reading this article. Don't waste your time. AI is a useful assistant that helps us work much faster — true. But it’s not a replacement. Of course, the way we work has changed. We need fewer people focused solely on typing out code without understanding the bigger picture. Instead, we need more people who can design systems, think at a higher level about components, understand system architecture, follow programming best practices, and still be able to fix deep issues in AI-generated code. I’m sure you’ve already heard of vibe coders: Someone who generates code by repeatedly prompt…  ( 9 min )

Introduction Misconfigured Amazon S3 buckets are a leading cause of accidental data exposure in the cloud, resulting in regulatory fines, reputational damage, and costly data breaches. In this lab, we will look at a scenario that uses AWS Config and AWS Systems Manager Automation to automatically detect and remediate Amazon S3 buckets when Public Access Block settings are disabled. If Block Public Access is disabled on a bucket, either accidentally or unauthorized, AWS will automatically detect the non-compliant configuration and restore the secure settings. An AWS account with an IAM user that has AdministratorAccess. First, we create a non-compliant S3 bucket. (Since this lab tests for missing Block Public Access settings, start by deliberately misconfiguring a bucket): Log in to the A…  ( 5 min )

ReactJS is one of the most popular JavaScript libraries for building user interfaces. It is widely used by startups, enterprises, and product teams across the world. To keep up with the changing trends and growing applications, it’s important to follow updated development techniques. A professional React JS Development Company will always follow certain coding standards to ensure apps are scalable and easy to maintain. In this blog, we will look at the top ReactJS best practices every developer should follow in 2025. 1. Keep Components Small and Focused 2. Use Functional Components and Hooks 3. Organize Folder Structure 4. Use TypeScript with React 5. Avoid Prop Drilling 6. Write Reusable Components 7. Use Meaningful Naming 8. Use ESLint and Prettier 9. Handle Errors Gracefully 10. Keep Dependencies Updated Conclusion hire ReactJS Developers who follow modern standards and practices.  ( 5 min )

This tutorial was originally published on IBM Developer by Niranjan Khedkar Retrieval-Augmented Generation(RAG) improves how AI models find and generate relevant information, making responses more accurate and useful. However, as data grows, fast and efficient retrieval becomes essential. Traditional search methods such as brute-force similarity search, are slow and do not scale well. Hierarchical Navigable Small World (HNSW) is a graph-based Approximate Nearest Neighbor (ANN) search algorithm that offers high speed and scalability, making it a great fit for RAG systems. This tutorial explores how HNSW enhances retrieval in AI applications, particularly within IBM’s AI solutions. This tutorial also provides a step-by-step implementation guide and discusses optimizations for large-scale use…  ( 3 min )

A developer should master at least one programming language and have a basic understanding of others. Working on an empty stomach isn't ideal — but being overly full is even worse. Equip yourself with tools and setups that enhance your productivity and provide comfort. Always try to fix your own mistakes first. Make sure to get enough sleep. Exercise regularly and quit bad habits — your physical health directly affects your performance.  ( 3 min )

Table of Contents Introduction What is the find Command? Core find Commands Real-World Scenario: find Command Conclusion Let's Connect Welcome back to Day 14 of this practical Linux challenge! Today, we are diving into one of the most useful Linux commands: find. This command helps you search for files and folders fast, flexible, and powerful. find Command? The find command is used to look for files and directories in your system based on conditions like: Name Size File type Date modified User ownership And more... This is especially useful in production environments where systems grow large and messy fast. find Commands Basic Syntax for find is find [path] [condition] [action] # Example find /home -name "file.txt" - # This searches for file.txt inside the /home directory. …  ( 4 min )

AWS Lambda is a go-to service for building scalable, event-driven applications — but with great (serverless) power comes great responsibility. Here are some practical security best practices to keep your Lambda functions secure in 2025: ✅ 1. Use the Principle of Least Privilege Create dedicated IAM roles for each Lambda function. Grant only the permissions required for that function to operate. Use IAM policies with explicit allow/deny for tighter control. 🔐 2. Secure Environment Variables Instead: Use AWS Secrets Manager or SSM Parameter Store to securely manage credentials, API keys, and tokens. Access them during function runtime using IAM roles. 🌐 3. VPC Integration for Sensitive Resources Place it inside a VPC for better network isolation. Use private subnets with minimal internet exposure. Attach VPC endpoints for secure AWS service access. 📊 4. Monitor and Log Everything Amazon CloudWatch Logs for tracking function output and errors. CloudWatch Metrics to monitor: Invocation counts Duration Throttles and errors Optionally, integrate with AWS X-Ray for tracing. 📦 5. Enable Versioning and Aliases Use Lambda versioning to avoid overwriting stable code. Use aliases (like dev, prod) to route traffic between versions easily. Helps in rollbacks and gradual deployments. 🚀 Get Started Start applying these best practices today to make your AWS Lambda functions secure, resilient, and production-ready in 2025.  ( 3 min )

React has stood the test of time ⏳, as we move into 2025, integrating AI tools into development workflows is becoming the new standard. Here’s a breakdown of the ultimate React + AI stack to keep your projects bleeding edge 🔧: 🛠 Core: React + TypeScript 🌟 🛡️ Meta Framework: Next.js 👉(The GOAT🐐) The go-to framework for React development with routing, API management, and performance optimizations built-in 🔄. shadcn/ui offers accessible and reusable components out of the box 🏢. 📚 State Management 💡 Declarative animations, gesture support, advanced motion features 🌈, seamless transitions, physics-based animations 🚀, and customizable motion paths ✨. 📃 Forms: Tanstack Form 🛣️ Fast, intuitive, and Zod-friendly for schema validation 📊. 💳 Database: Supabase 💾(just firebase with less marketing~) 🌐 Mobile Development: Flutter 📲 Cross-platform development with a rich set of customizable widgets 🎨. 🔧 Component Development: Storybook 📷 🛠 Hosting: Vercel 🌟(Just aws with a pretty UI and a heaven-forsaken pricing plan) 🤖 AI-Powered Tools 🔎 🖊️ Design-to-Code: Visual Copilot 👁🖨 Context-aware code completion and smart terminal integration 🛠️.(like he can understand your code and create features following your pattern of implementing tasks) 🛠 Prompt-to-Build: Bolt 🔋 He turns text descriptions into working React applications instantly 🔍. Real-time previews, debugging, and one-click deployment 🚀. **🚀 Final Thoughts 🌟 **This stack leverages the best of React and AI to supercharge your development process 💪. Whether you’re building a small prototype or scaling a large application, these tools offer flexibility, speed, and power 💻.  ( 4 min )

Abstract: Open source grants are transforming the landscape for developers by providing essential financial support while nurturing innovation and sustainability in open source projects. This post explores the concept of open source grants, their ecosystem, core benefits, practical applications, challenges, and future outlook. It also integrates insights from related articles and authoritative sources, illustrating how grants can empower developers to maintain and advance open source projects. Open source development is a collaborative marvel that drives innovation, codes transparency, and the free exchange of ideas. Yet, many talented developers struggle to balance community contributions with other life or professional responsibilities. Here, open source grants play a crucial role by of…  ( 8 min )

In this post I want to briefly describe the usage of Isomorphic-validation, a javascript validation library that was intended to be used on the client and server side and make the process of validating user input seamless across your application. In the two previous posts I covered some aspects of using this library on the client side by creating a sign-in and sign-up form: Part 1 Part 2 Here I will show why this library is actually isomorphic. I'm going to incorporate that sign-in and sign-up examples into a simple Node.js application. If you want to run this project locally it is there: View on Github 0. Setting up the project First, I created the following folder structure: . ⊟── public │ ⊞─── bundles │ ├── signin.html │ ├── signup.html │ └── style.css ├── repositor…  ( 10 min )

Photo by Fujiphilm on Unsplash I am currently experimenting with scrapers and news APIs as part of my programming journey. While brainstorming options, I stumbled upon two notable services: Finlight.me and Newsapi.org. Both offer intriguing possibilities, but they cater to slightly different needs. Here’s what I’ve discovered while exploring these platforms. Newsapi.org is a well-known name in the world of news aggregation APIs. It’s been around for a while, and its established features make it appealing. However, it does have some limitations, especially for someone like me who’s testing and learning. Article Search and Live Headlines : Great for searching articles and getting live top headlines. Access to Historical Data : Articles up to a month old can be searched, though the free tier …  ( 4 min )

Introduction Implementing a tracking feature on your website can enhance user experience by allowing responders to generate routes based on inputted phone numbers. This article will guide you through the process of incorporating this functionality, enabling efficient tracking and response. Understanding the Need for Tracking Features In today's digital landscape, effective communication and timely responses are crucial for customer satisfaction. By enabling users to input their mobile phone numbers for tracking, you provide them with the ability to receive real-time updates and assistance. This feature is particularly relevant for services requiring a swift response, such as emergency services or delivery management. Moreover, adding a tracking component significantly improves your website…  ( 5 min )

🔢 Does addition sometimes confuse you? 👧 Ideal for students who are just starting out with maths. ✅ 100% free and accessible from any device. https://calculadoradealiciapro.com.mx/  ( 3 min )

Another note app? In the past we've looked at, and used, Obsidian and Joplin. While both are great note-taking apps I'd been looking for one that had a responsive webui and possibly the ability to use a local LLM like Ollama or Exo. Blinko is a little like a callback to Mem but self-hosted and able to use local LLM's, adding a level of control over your data. This guide will be a quick setup using Docker, with a few tweaks to avoid a few headaches in getting things working with Ollama(or any AI). While there is an install.sh script that works, I tend to prefer having a docker-compose.yml file with a few tweaks to bolster security. Below are the contents of that docker-compose.yml file. Note the lines that have changeme in them, these need to be unique. For those who don't already have a …  ( 5 min )

Como Criar um Script Python para Ler Scripts Grandes do SQL Server Gerados no SQL Management Studio Recentemente precisei trabalhar com alguns scripts grandes de SQL Server. Isso se mostrou um grande desafio, especialmente quando você precisa analisar ou manipular esses scripts automaticamente. A solução que encontrei foi usar um script Python para ler e processar esses arquivos. Isso facilitou o gerenciamento e a análise de dados de maneira eficiente. Neste artigo, vou compartilhar como criei um script Python que lê grandes arquivos SQL gerados pelo SQL Management Studio (SSMS). Atenção: se você ainda não tem o Python instalado no seu computador, considere ler o artigo abaixo para instalá-lo: Como instalar o Python no Windows, Linux e Mac Python 3.x instalado em seu sistema. Conheciment…  ( 10 min )

For decades, the promise – and the anxiety – surrounding artificial intelligence has centered on automation. A future where machines handle the mundane, freeing humanity for higher pursuits. But a quiet revolution is underway. The most insightful minds in AI are now arguing that how we build and deploy AI is far more critical than what it can do. The next wave isn’t about replacing us; it’s about amplifying the uniquely human qualities of reasoning, ethical judgment, and contextual understanding – a conscious partnership designed for symbiotic outcomes. This isn’t simply a technical challenge; it’s a fundamental re-evaluation of our relationship with intelligence itself. The early narrative of AI was dominated by efficiency. Faster data processing, more accurate predictions, lower costs. T…  ( 7 min )

How many times have you seen someone build a beautiful MVP with all the cloud bells and whistles… only for it to flop? The product had everything. Lambda functions are buzzing. API Gateway routes are neatly mapped out. Cognito user pools are locked down. Files in S3, served globally via CloudFront. Data in DynamoDB. Logs in CloudWatch. IAM policies are crafted like a government document. The architecture diagram looked like a subway map during rush hour. And yet, no one used it. Zero traffic. Zero users. Zero impact. The hard truth? You don’t need AWS to build something users love. There’s a subtle poison running through the modern indie dev and startup ecosystem: overengineering. It usually starts innocently. You read a few posts on Hacker News. Watch a couple of YouTube videos from cloud…  ( 6 min )

I Just Deployed My First App with GitHub Actions! Here are 6 things I wish I knew earlier 🧵 Setting up CI/CD for the first time can feel like a maze — especially when you’re excited to automate but aren’t sure what bumps are waiting along the way. After deploying my Laravel API app using GitHub Actions, here are 6 key lessons that apply to any tech stack. CI/CD Isn’t Just About Automation — It’s About Resilience The goal of CI/CD isn’t just “automatic deployments.” It’s about building confidence in your deployments and being ready when things go wrong. Set up your pipeline to be predictable, repeatable, and easy to debug — because someday, it will break. ✅ Automate to recover, not just to deploy. Don't Cache Config Before .env Is Ready If your pipeline runs php artisan config:cache (o…  ( 4 min )

A Complete Understanding of Basis Path Testing We have repeatedly emphasized the importance and necessity of software testing during development and real-life runtime cycles. Path testing, a key process in the testing procedure, is often used in designing test cases. It is a structural testing technique that uses the program’s source code to identify every possible executable path. This helps detect errors and bugs along defined program routes. In this article, we will explore a specific approach to path testing known as the Basis Path Test and its nuances. Basis path testing often referred to as structured testing, is a white box testing method (testing the software’s internal programming, structure, etc.) used to design test cases. It is performed based on the control-flow graph or log…  ( 5 min )

Creating a well-structured grid layout in HTML can be a vital part of web development. You might be looking for ways to implement a grid layout while ensuring that each row is visually distinct by having full row borders, rather than just borders around individual cells. In this article, we will explore how to achieve this effectively. Understanding the Grid Layout The CSS Grid Layout is a powerful tool that enables developers to create complex web layouts with ease. The problem you've encountered arises when attempting to give a clear separation between rows using borders without affecting the individual cells. Instead of applying borders to each cell, we need a different approach to make the entire row's border visibly distinct. A traditional method of creating a grid is through the use …  ( 4 min )

I. Vitalik's Ethereum Simplification Plan: From "Functionalism" to "Minimalism" II. The Tug - of - War Between Simplicity and Functionality III. Layer2 Battleground: Why Are Ethereum's "Clones" Experiencing In - fighting? Power Game: What Happened to Decentralization? The core controllers of top Layer2s (like Arbitrum) remain in the hands of development teams, causing users to fear a "comeback of centralization." Token economy malfunction: ARB and other tokens plummeted on launch. Instead, Coinbase's Base chain rose by "not issuing tokens and focusing on social features." External Rivalry Intensifies Solana attracts users with its 'second-level transactions,' while TON grows rapidly using Telegram's 900 million users. Ethereum's Layer2s are trapped in homogeneous competition: issuing p…  ( 4 min )

The Robo 9 company introduced the Robonine V0 Research Robot. The robot is designed for research labs, schools, universities, and robotics enthusiasts. The Robonine V0 is a modular, affordable platform designed to inspire hands-on learning and innovation in STEM. ROS (Melodic, Noetic, Foxy) LeRobot (available via Hugging Face) Mobile Aloha (see mobile-aloha.github.io) Pi0 (Physical Intelligence’s Pi0 module) ● Manipulators: Two arms, each with 7 degrees of freedom, enabling flexible and precise movements. Payload Capacity: Each manipulator can handle a payload of up to 3 kg, suitable for manipulating tools, sensors, and experimental components. Reach: The manipulators extend up to 650 mm, providing ample reach for various applications. Height: The robot stands at 1400 mm, ensuring compatibility with standard laboratory and classroom environments. Mass: Approximately 35 kg, balancing portability with stability. Mobility: Equipped with a wheeled base for easy navigation in dynamic workspaces. The Robo 9 features a sleek, vertical frame with a black and silver color scheme, designed for both functionality and aesthetics. Its wheeled base allows for mobility, while the dual manipulators with claw-like grippers are optimized for precise handling of ● Research Laboratories: Facilitating experiments in robotics, automation, and human-robot interaction. Schools and Universities: Supporting STEM education through hands-on learning and project-based coursework. Enthusiasts: Providing an affordable and customizable Expected date release: October 2025. Price will start from $3900 for basic KIT.  ( 3 min )

Introduction Building a robust real-time chat system in a Laravel application can be time-consuming and complex. That’s why I created Wirechat — a Laravel Livewire chat package designed to simplify this process with easy integration and powerful customization. Whether you need private 1-on-1 chats or dynamic group conversations, Wirechat has you covered. This blog post will guide you through the installation process, setting up prerequisites, and even starting your first conversation using Wirechat. Let’s dive in and get started! Installation Steps Install Laravel Project If you haven't already, create a new Laravel project: composer create-project laravel/laravel wirechat-app cd wirechat-app Set Up Authentication Wirechat requires user authentication. You can set this up using Lara…  ( 4 min )

If you’re beginning your journey into the world of programming, one of the first languages you’re likely to encounter is Java. Known for its versatility, stability, and long-standing presence in the software development world, Java remains a top choice for both beginners and experienced developers. But what is Java, really? And why has it stood the test of time? Let’s explore the fundamentals of Java in a simple, beginner-friendly way. At its core, Java is a high-level, object-oriented programming language. It was developed by Sun Microsystems in the mid-1990s and is now owned by Oracle Corporation. Since its inception, Java has played a major role in shaping the software industry. The philosophy behind Java can be summed up in one powerful slogan: “Write once, run anywhere.” This means t…  ( 5 min )

La REPUVE Consulta Ciudadana es una herramienta poderosa que permite a los ciudadanos mexicanos verificar el estatus legal de un vehículo en cuestión de minutos. La REPUVE Consulta Ciudadana no discrimina por ubicación. Conozcamos a Juan, un mecánico de 35 años en Puebla. En 2025, el robo de vehículos sigue siendo una preocupación en México. Usar la REPUVE Consulta Ciudadana es tan fácil como pedir un café. Sin reporte de robo: El vehículo está limpio. Con reporte de robo vigente: Evita este vehículo a toda costa. Recuperado: Fue robado pero ya está en manos legales. Además, el reporte incluye datos técnicos como cilindros, número de puertas y planta de ensamblaje. Lo mejor de la REPUVE Consulta Ciudadana es que no cuesta un peso. Comienza Ahora y protege tu inversión hoy mismo. La REPUVE …  ( 6 min )

Abstract: This post explores the evolving landscape of funding for open source software. We review traditional methods—from donations and grants to corporate sponsorships and crowdfunding—and examine emerging models like license tokenization and blockchain integration. We discuss the background, core concepts, practical uses, challenges, and future outlook for financing open source projects. In doing so, we shed light on resources such as license-token.com’s funding strategies and highlight how these mechanisms drive technical innovation and community sustainability. Open source software has transformed the landscape of technology, enabling collaboration, innovation, and transparency across the globe. However, supporting and sustaining these projects presents a funding challenge that has …  ( 8 min )

Routing là một phần cực kỳ quan trọng khi phát triển các ứng dụng ReactJS dạng SPA (Single Page Application). Nếu bạn từng tự hỏi vì sao chỉ với một file HTML duy nhất, ứng dụng React vẫn có thể “chuyển trang” mượt mà, thì đây chính là bài viết dành cho bạn. 1. Routing trong React là gì? Routing trong React là quá trình điều hướng giữa các trang (hoặc component) khác nhau mà không cần reload lại toàn bộ trang web. Đây là một đặc trưng nổi bật của các SPA, giúp tăng trải nghiệm người dùng và tối ưu hiệu suất. Vậy vì sao cần dùng routing? 2. React-router-dom React-router-dom là thư viện phổ biến nhất để xử lý routing trong ứng dụng ReactJS. Nó cho phép điều hướng linh hoạt giữa các trang, dễ dùng và mạnh mẽ. Cách cài đặt: npm install react-router-dom 3. Các thành phần chính trong React R…  ( 5 min )

Creating a responsive Flutter web app requires handling different UI layouts for large screens and mobile devices effectively. In this article, we will learn how to show navigation options in the AppBar for larger screens and move them to a Drawer for mobile devices. This is an essential practice in building user-friendly web applications. Let’s dive into how we can implement this functionality correctly in Flutter. Understanding the Problem You are facing an issue where the drawer icon appears on both large and small screens, which is not the desired behavior. This is a common challenge among Flutter developers, particularly when transitioning from mobile app design to web app design. The goal is to display the navigation items directly within an AppBar on larger screens while keeping the…  ( 5 min )

In the world of web development, serverless architecture has emerged as a game-changer. It allows developers to build and run applications without having to manage the underlying servers. With serverless, the cloud provider automatically handles the infrastructure, scaling up or down based on demand. This means that developers can focus more on code and less on managing servers, reducing operational overhead. What is Serverless Architecture? Major Cloud Providers Offering Serverless: AWS Lambda - One of the most popular serverless computing services that allows you to run your code without provisioning or managing servers. Google Cloud Functions - Similar to AWS Lambda, this platform allows you to deploy functions in a fully managed environment. Azure Functions - Microsoft’s serverless sol…  ( 5 min )

Article credit: Signo Labz. Original link: https://blog.signolabz.com/post/installing-safeline-waf-on-synology-nas-zce54r In this post, I will explain the basic setup of the SafeLine WAF free edition on a Synology NAS. I am assuming that you already have some general knowledge on how to install a docker stack on a Synology NAS, otherwise I can highly recommend to visit mariushosting.com, where Marius wrote some very helpful guides on how to use the container manager and also Portainer etc.. Furthermore, the automatic certificate creation in SafeLine WAF, requires port 80 to be free on the NAS. Make sure that the port is not used by any other application, otherwise certificate generation will fail with the error that port 80 is already in use. The first step is to create a folder in the lo…  ( 4 min )

Catalysis is making it easier than ever to build and run powerful decentralized services. Whether it’s AVSs, BVSs, or DVNs, it takes care of the hard stuff like security and infrastructure so developers can focus on what matters. With tools like the Catalyst SDK and CLI, plus strong support from big investors and a growing community of builders and node operators, Catalysis is quickly becoming a major player in the space. And we’re still early. There’s so much more coming — and I’ll be here to share every update, every milestone, and every breakthrough as it happens. Stick with me — we’re watching something big unfold. 👀🚀 Big shoutout to all my active readers!!!  ( 3 min )

AIOps vs Traditional IT Overview comparison As infrastructure has evolved from monoliths to microservices spread across multiple clouds, our approach to monitoring and maintaining these systems needs to evolve too. Enter AI in IT monitoring - a fundamental shift in how we detect, diagnose, and resolve issues. Let's dive into why traditional approaches are falling short and how AIOps is changing the game. Modern infrastructure has pushed traditional monitoring approaches beyond their breaking point. Here's why: Traditional Monitoring Approach: 1. Set static thresholds for metrics 2. Generate alert when threshold crossed 3. Human investigates alert 4. Human determines root cause 5. Human implements fix This worked fine when: Applications ran on a few physical servers Infrastructure chan…  ( 4 min )

Detecting mouse events in a terminal interface using ncurses can initially seem challenging, especially when you want to execute a function continuously while a button is held down. In this article, we'll discuss how to leverage ncurses for mouse event handling in C++, specifically focusing on how to detect whether the left mouse button is held down and then call a function like foo() repeatedly until the button is released. Understanding Mouse Events with ncurses The ncurses library provides support for mouse events, which allows developers to create interactive console applications. When working with mouse events in ncurses, we mainly use the MEVENT structure to capture mouse input. As you mentioned, you can use event.bstate & BUTTON1_PRESSED to check when the left mouse button is presse…  ( 5 min )

AI has been getting a lot of attention lately—and yeah, some of the buzz is overhyped, but there’s also something real going on. From my own experience as an engineering manager, I’ve seen how AI can free up time, speed up prototyping, and help devs focus more on what they actually enjoy doing—solving problems, shipping great products, learning new stuff. I get that some people are worried AI will take their jobs. Honestly, I don’t think that’s the right question. It’s less about “Will AI replace me?” and more about “How can I use AI to level up and stay ahead?” Here are five ways I’ve seen AI help software engineers do just that. You know that feeling when your calendar's a mess, you’ve got three tickets on the go, and you're still getting pinged every five minutes? A few of my team membe…  ( 5 min )

You can run a private Docker registry using Cloudflare R2 as your storage backend, in this tutorial we're going to configure it in a Kubernetes cluster. First, we need to create a R2 bucket where we'll store the Docker images. We also need an API access key and secret key to access the bucket. Once we have created the bucket and have both keys, we create a secret. vi registry-secrets.yaml apiVersion: v1 kind: Secret metadata: name: r2-secret type: Opaque data: ACCESS_KEY_ID: ACCESS_SECRET_KEY: And we apply the configuration. kubectl apply -f registry-secrets.yaml Once we've applied the secrets, we create the Registry deployment. vi registry-deployment.yaml Here is an example of the deployment, you should change some values t…  ( 4 min )

If you are new to online games and want to try something easy, fun, and rewarding, the 91 Club Game is a great place to start. Many beginners choose this game because it is simple to use and offers many exciting features. In this article, you will learn why the 91 Club Game is perfect for new players and how you can enjoy it from the start. Easy to Understand Gameplay One of the main reasons why beginners love the 91 Club Game is that the gameplay is very simple. You do not need any special skills or advanced strategies. The game provides clear instructions and an easy-to-follow interface that helps you get started quickly. Even if you have never played an online game before, you can start enjoying 91 Club in just a few minutes. No Confusing Rules Unlike other games that have complex r…  ( 6 min )

(with apologies to Neil Young) tl;dr - a story is told about how the author tests a module against a third-party web API when that service is not always available and without leaking sensitive authentication tokens You find yourself to be an aspiring CPAN author of a web API and as a righteous follower of Test Driven Development you want to write tests to verify that your API works as advertised. Testing is a big part of Perl culture, so a skeleton module usually comes with a t/ directory to hold your tests. Once uploaded to CPAN, the CPAN Testing Service will run your tests on every OS and version of Perl possible, but you shouldn't require an active network connection on either end. After all, has your API failed because the end service is down for annual maintenance or the local interne…  ( 5 min )

Introduction When integrating Google OAuth for authentication in your application, you might encounter various errors. One common issue is the ERROR 403: Google disallowed user agent, especially if your code works perfectly on Android but fails on iPhone. This error message usually indicates that Google is rejecting the request due to the user agent string that your app is sending. Let's explore why this happens and how to fix it. Understanding the Issue The ERROR 403: Google disallowed user agent typically occurs when Google’s servers identify an untrusted or unsupported user agent accessing their OAuth service. User agents represent the application type, operating system, vendor, and version of the browser, and if the string does not match Google's expectations or security policies, the …  ( 5 min )

As a softwar developer, choosing the right language and tools can make a huge difference in how efficiently you build, maintain, and scale applications. While Node.js is widely adopted in the backend world, I personally prefer Go (Golang) for several key reasons. Here's why. Go is a compiled language with built-in support for concurrency through goroutines and channels. Whether it's handling multiple HTTP requests or processing data-heavy tasks, Go offers consistent and high performance with minimal memory overhead. Its lightweight concurrency model is often simpler and more efficient than JavaScript’s event loop and async/await system. Go is statically typed, which helps catch errors early during compilation. In my experience, this leads to more robust code and reduces the kind of silent …  ( 4 min )

How We Built Delta Executor: Mobile-First Roblox Script Execution Roblox's scripting ecosystem has exploded in recent years — and so has the need for tools that empower developers to understand, test, and interact with Lua-based environments. At DeltaDevs, we created Delta Executor, a performance-first, cross-platform executor tailored for Roblox scripts on Android and iOS. Many tools in the Roblox ecosystem are outdated, unsupported, or overly complex for mobile users. Delta Executor solves that with: Script execution that’s stable across devices A secure framework with memory-safe design Keyless access for paid users (and fair key-based access for free users) Smooth compatibility across Android, iOS, and emulators for PC We built it from the ground up to handle the latest anti-cheat systems Roblox introduced in 2025. Here’s how we bypassed them. -- Delta Executor Example print("Hello from Delta Executor on Mobile!") You can load, run, and debug scripts just like this on mobile devices using our tool. Full support for popular script libraries and obfuscation is built in. While built for mobile-first use, Delta Executor also runs on Windows using emulators like BlueStacks or LDPlayer. Want to see how it works? Visit our Executor Overview Page. We're also opening up SDK access for vetted contributors and curious reverse engineers. Apply at deltadevs.net/developers We built Delta Executor with security transparency at the core. If you've seen antivirus warnings, you're not alone — many executors trigger false positives. Here's why. Official Website FAQs Script Submission Fix Guide: Executor Not Opening Delta Executor is more than an exploit tool — it’s a research sandbox for scripters, hobbyists, and curious minds working within the Roblox engine. We hope this adds value to others building tools around Lua, mobile execution environments, and anti-cheat resistance. Got thoughts? Drop your feedback or reach us via our Discord.  ( 3 min )

In tech, we’re wired for growth—more velocity, more releases, more impact, more headcount. But lately, I’ve been asking myself: Where does it stop? I’ve led high-performing teams, shipped at scale, climbed the ladder. But with each new role, I noticed a pattern—what looked like “success” on paper often came with hidden trade-offs: less time with family, more stress, fewer pauses to reflect. We’re told to aim for the next title, the bigger compensation package, the unicorn IPO—as if each step up will quiet the internal noise. But it doesn’t. Even at the top, many feel like they’re still chasing something just out of reach. And here’s the kicker: when wealth and power concentrate, whether in tech or society, others get squeezed. I’ve seen brilliant engineers burn out, not because they weren’t good enough—but because the system kept telling them they had to want more. But what if the real clarity doesn’t come from achieving more—but from needing less? Less chaos. I’ve found meaning in simpler things—mentoring a junior dev, walking outside between meetings, unplugging for dinner with my kids. These aren’t productivity hacks. They’re sanity savers. Because underneath the frameworks and sprint goals, we’re just part of something bigger—organic, changing, deeply human. The atoms in our bodies? They were once stars. Literally. We are nature. And like nature, we’re not meant to scale infinitely. So here’s a quiet question I’m sitting with—and maybe you should, too: 🔍 Is your pursuit of “more” giving you peace—or quietly taking it away?  ( 3 min )

📍 Problem description You have two applications: App 1 → deployed on Server A, port 80 App 2 → deployed on Server B, port 80 When you try to configure both behind SafeLine WAF, you get the error: Duplicate applications detected on port 80: * The reason for this error is: SafeLine allows only one listener on port 80 on the frontend. ⸻ ✅ How to solve it Since SafeLine currently does not support path-based routing, the only supported solution is domain-based routing. ⸻ Use different domain names (recommended) For example: App 1 → app1.example.com → Server A:80 App 2 → app2.example.com → Server B:80 In SafeLine: Configure one listener on port 80 Set routing rules based on the Host header (domain name) to forward traffic to the correct backend server. This way, SafeLine knows exactly which application the request is meant for. ⸻ ⚠️ Why you can’t use multiple port 80 listeners or path-based routing SafeLine can only bind to port 80 once on the frontend. Multiple port 80 listeners will always result in a duplicate port error. Path-based routing (/app1, /app2) is currently not supported in SafeLine. ⸻ 🚀 Summary recommendation ✅ Use different domain names and set up Host-based routing in SafeLine. ⸻ SafeLine Website: https://ly.safepoint.cloud/ShZAy9x https://github.com/chaitin/SafeLine https://discord.gg/dy3JT7dkmY  ( 3 min )

There is a 2-layer JSON string with multiple dynamic key values in the lower layer, excluding set/array types. {"Games": {"key1": "value1", "key2": value2,"key3":value3}} Now we need to transform the lower layer into a set of multiple layers. {"Games":{"AllGames":[{"key1":["value1"]},{"key2":["value2"]},{"key3":["value3"]}]}} SQL itself does not support multi-layer data, making it more difficult to express multi-layer sets, and the indirectly implemented code is very complex. SPL naturally supports multi-layer data and multi-layer sets: Try.DEMO A2: Take the lower-layer data (one record), change the type to a set of records, and then transpose it to a two-layer sequence. […] represents a set, function E can convert a set of records into a two-dimensional sequence, and @ p represents transposition during conversion. new(new(…:AllGames):Games) Add two layers of record types on top of a multi-layer set to construct the target table sequence. esProc is free. Download~~  ( 3 min )

Welcome to the final part of our SafeLine WAF series! So far, you have set up SafeLine and configured it for your environment. Now, it’s time to test your protection, finalize your Docker installation if necessary, and troubleshoot any issues that may arise. This will help you maintain a robust and reliable WAF deployment. You can test the protection effectiveness either manually or automatically. Access your website using the parameters configured in SafeLine WAF: Open your browser and visit: http://: / The default protocol is HTTP; check the SSL option to use HTTPS. The hostname can be either the SafeLine IP or your website domain (make sure the domain resolves to SafeLine). The port is the one you configured in SafeLine for the site. If your website is not accessible, please refer to the Configuration Issues section. Try these URLs to simulate attacks and confirm SafeLine blocks them: SQL Injection: http://: /?id=1%20AND%201=1 XSS Attack: http://: /?html=alert(1) If SafeLine blocks these, you’ll see the attack prevented in your browser and logged in the dashboard. ✅ sudo yum update If you get errors like “Could not resolve host” or mirrorlist failures, add Alibaba Cloud repo: curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo sudo yum install -y yum-utils sudo yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo sudo yum -y install docker-ce docker-ce-cli containerd.io sudo systemctl start docker If you get x509 certificate errors when pulling images, it’s likely a system time or certificate issue. Check your system time: date If it’s wrong, sync time with: sudo yum -y install ntpdate sudo ntpdate cn.pool.ntp.org  ( 4 min )

Now that we've confirmed Docker is installed and running (Part 1), let's test the setup by running a simple container. This will verify that Docker can successfully download images and run containers. The Hello World Container Docker offers a lightweight "hello-world" image specifically designed to test Docker installations. This minimal container confirms that: • The Docker client can connect to the Docker daemon. 1.Let's run this test container with the following command: docker run hello-world • Check if the hello-world image exists locally This message confirms that your Docker installation is working correctly. After running the hello-world container, let's check the list of containers on your system. The container we just ran has already exited, but we can still see it in the list of all containers. 2.To see all containers (including stopped ones), run: docker ps -a The -a flag shows all containers, including those that have stopped. Without this flag, docker ps would only show running containers. STATUS column shows "Exited (0)", which means the container completed its task and exited with a status code of 0 (indicating success). The hello-world image was downloaded to your local machine. Let's verify this by listing all Docker images: docker images This confirms that the hello-world image is stored locally on your system. LinkedIn: https://linkedin.com/in/kamrul-dev https://github.com/kamrul-dev Related Keywords: Kamrul Hasan DevOps Engineer, DevOps tips by Kamrul Hasan, Kamrul Hasan Docker tutorials, Learn DevOps with Kamrul Hasan, Kamrul Hasan automation expert, Kamrul Hasan cloud and containers, CI/CD pipelines by Kamrul Hasan, Kamrul Hasan Kubernetes & Docker,  ( 4 min )

The world of online dating has changed dramatically in the past few years — and artificial intelligence (AI) is playing a major role in that transformation. One emerging trend is AI dating pictures: profile photos generated or enhanced by AI to help users present their “best selves” on dating apps like Tinder, Bumble, Hinge, or even social media platforms. But what exactly are AI dating pictures, and are they a good idea? Let’s break it down. ** ✅ Generated entirely by AI — using tools like AI portrait generators or avatars based on your real face. ✅** Enhanced or edited by AI** — improving lighting, removing blemishes, sharpening features, or even subtly reshaping facial features. These photos aim to make you look more appealing without the need for professional photoshoots or heavy manua…  ( 4 min )

Most services — including social networks — offer APIs that allow third-party programs or tech-savvy users to perform actions that would normally be manual and tedious, all through code. Let’s imagine I’m blocking people on BlueSky, and I want to know if another account has blocked the same people as I have. I would need to: Retrieve my own block list Retrieve the block list of the other account And for each name, check if it's present in both lists. It’s not impossible to do — at least on BlueSky, since everything is public. But it’s a massive pain. Another example: imagine I want to block everyone who liked a post (say, because it’s a post praising Kubernetes and I don’t like Kubernetes). Here’s what I’d have to do: Find the post Retrieve the list of people who liked it Block them one by…  ( 7 min )

Troubleshooting Lag and Crashes in Swift's Camera App When developing a camera app in Swift, you may encounter issues with the startRecording function, such as lagging or crashing. These problems can result from various factors related to resource management, threading, and memory. In this article, we will explore why these issues might occur and how to effectively resolve them. Understanding the Problem The primary issue you are facing when pressing the record button is the lag followed by a crash. This occurs because the camera app attempts to perform heavy processing operations on the main thread, leading to unresponsiveness. Furthermore, the crash arises from improper handling of the GPU resources, resulting in a NSInternalInconsistencyException message about framebuffer overreleasing.…  ( 5 min )

Online learning has become a rapidly evolving educational medium that is significantly assisting students in striking a balance between work and study. In our data-driven society, the way we gain knowledge is changing. The advent of online learning has rekindled the thirst for education in many people, allowing them their pursuit of higher education alongside their current employment. Notably, the traditional full-time education model has often proved to be arduous for those who need or want to work while pursuing their studies. Advanced job markets mean that it’s essential for students to continue upskilling, but equally important is their need to maintain financial stability. This is where online learning steps into the spotlight. It offers much-needed flexibility and augments their abi…  ( 4 min )

From time to time, it's necessary to bring all dependencies up to date. Most of them update easily. Paraglide.js? Definitely not. This post is not just a dry migration guide — it’s also about the headaches, surprises, and a few decisions you’ll have to make if you’re already deep into a SvelteKit project like I am with shrtn.io. And while we’re at it: Paraglide’s approach to minimalism still makes me smile — even if it makes the docs a bit too... minimal at times. That said, version 2.0 is a huge step forward. The documentation is better, the architecture is more maintainable, and the framework independence finally feels real. But not everything is an upgrade — especially not the developer experience when removing some of the SvelteKit-specific helpers. If you're here just for the code, fe…  ( 7 min )

As modern apps shift toward microservices and cloud-native architectures, containers have become the standard for packaging and deploying software. However, running containers in production requires more than just building images—it demands scalable orchestration and intelligent management. This blog introduces container images. It explains why orchestration is essential in production environments. The blog also explores Kubernetes, the industry-standard platform for container orchestration. What Are Container Images? A container image packages app code, its runtime, libraries, and all dependencies in a predefined, portable format. This enables consistent deployment across various environments. Container runtimes—such as containerd, runC, and CRI-O—use these prebuilt images to create and…  ( 7 min )

🖋️ Introduction: Today, businesses are dealing with hybrid cloud environments, multi-vendor integrations, massive data streams, and rising end-user expectations. In this high-stakes, always-on world, even advanced automation isn’t fast enough, intelligent enough, or proactive enough. AIOps (Artificial Intelligence for IT Operations) emerges not just as a trend but as a necessity—a next-generation approach that blends machine learning, data science, and traditional monitoring to create autonomous, predictive, self-healing IT ecosystems. In this blog, we dive deep into what AIOps is, why it matters, and how it will redefine ITSM workflows in 2025 and beyond. ⚡ From Automation to AIOps: Understanding the Evolution 📚 Generative AI (Gen AI): 📚 AIOps: 🎯 Why AIOps Is No Longer Optional for Modern ITSM 🔵 Predictive Intelligence: Identify potential incidents before they impact services. 🌐 How AIOps is Transforming Core ITSM Workflows 🛡️ Why AIOps + ServiceNow = The Ultimate ITSM Stack ✅ AI-driven incident categorization and prioritization. ⚙️ Key Challenges When Deploying AIOps (And How to Overcome Them) 🔸 Data Complexity :Ensure clean, unified, and high-quality data ingestion from all sources (apps, networks, servers). ✅ Up to 70% reduction in alert volume 🔮 Future Outlook: AIOps Is Just Getting Started By 2027: More than 50% of enterprises will use AIOps platforms to automate major parts of their IT operations. 📣 Conclusion: It’s Time to Move Beyond Automation Being autonomous, predictive, and resilient—that’s the new benchmark. 📞 Ready to Embrace AIOps and Lead the Future? 🔗 Let’s talk today 👉 Follow us for cutting-edge insights into AI in ITSM, Automation Trends, and Next-Gen IT Operations. AIOps #ITSM #FutureOfIT #SmartITOps #ServiceNow #IncidentManagement #DigitalTransformation #ArtificialIntelligence #PredictiveAnalytics #Automation #TechStrategy #MJBTech  ( 6 min )

Introduction to Rust Smart Pointers In Rust, managing memory safely and efficiently is crucial for building robust applications. When working on course material that demonstrates the use of Rust’s smart pointers like Box, Rc, and RefCell, you may encounter unique scenarios, especially when implementing structures like linked lists. This article will explore a singly-linked stack and a doubly-linked deque, elucidating why the default drop implementation in Rust behaves differently for these structures. Why Choose Box, Rc, and RefCell? Before diving deep into the examples, let’s clarify the usage of each type. Box: This is a smart pointer that provides ownership of heap-allocated data. It enables recursive data structures. Rc (Reference Counted): This type allows multiple ownership of …  ( 4 min )

Most blog posts focus on using top-tier LLMs or setting up complex AI pipelines for large corporations. But what if your data is private, and you don’t have access to top-tier ML talent or massive infrastructure? In this article, we show how to fine-tune a model for mid-sized software development teams or IT support, using your own domain expertise. With Apache Answer and InstructLab, you can build a powerful, cost-effective AI solution tailored to your specific needs. InstructLab is an open-source AI community project aimed at empowering individuals to shape the future of generative AI. It provides tools for users to fine-tune existing large language models (LLMs), such as Granite, using additional data sources. This allows LLMs to continuously gain new knowledge, filling in gaps from the…  ( 6 min )

In today's fast-paced tech world, speed matters. But quality matters even more. No one wants to launch a product full of bugs or deliver a user experience that doesn't live up to expectations. That's where quality assurance (QA) comes in - not as a final check, but as an ongoing, strategic process that ensures everything runs smoothly from the start. One of the biggest mistakes companies make is putting off QA until later. By then, fixing issues becomes expensive and time-consuming. A robust QA process starts right from the planning stage. QA shouldn't be an island. Developers, designers, project managers, and QA engineers should work as a team. Communication is key. Clear documentation, shared expectations, and open feedback loops help avoid misunderstandings and missed bugs. You can't fix what you don't track. That's why a well-defined test plan is essential. It sets expectations, outlines goals, and defines what success looks like. Manual testing has its place, especially when it comes to exploratory testing or checking visual and UX elements. But automation is the backbone of a scalable QA process. Smoke tests Regression tests API testing Cross-browser checks Tools like Selenium, Cypress, or Playwright can help speed up the process. Don't overdo it with automation, though - maintaining flaky tests can slow down your team more than it helps. Pro tip: CI/CD integration Hook automated tests into your CI/CD pipeline. That way, every time new code is pushed out, it's tested instantly. Faster feedback = fewer issues in production. More in our article: https://instandart.com/blog/quality-assurance/how-to-build-a-bulletproof-qa-process/  ( 4 min )

Omit and Pick are some of the most loved utility types in TypeScript. They let you create new types by excluding or selecting specific properties from an existing type. union types, their behavior can be misleading - and in some cases, break your type expectations type Employee = { id: string name: string job_name: string } type Customer = { id: string name: string company: string } type Person = Employee | Customer ❌ Problem: Using Omit Directly type PersonWithoutId = Omit 🧨 Actual Result: type PersonWithoutId = { name: string } Only name survives. The fields job_name and company are lost. Why? not distributive over union types. It collapses the union into a common structure, then removes the property - resulting in a simplified, lossy type. ✅ Solution: DistributiveOmit We can fix this by explicitly distributing Omit across each union member: type DistributiveOmit = T extends any ? Omit : never type PersonWithoutId = DistributiveOmit ✅ Expected Result: type PersonWithoutId = | { name: string; job_name: string } | { name: string; company: string } 🧪 Same Fix for Pick type DistributivePick = T extends any ? Pick : never type BasicaPerson = DistributivePick 🧠 Summary Table  ( 3 min )

Introduction In modern web development, automating tasks can save time and reduce errors. If you're looking to dynamically import all images from a specific folder in a JavaScript project, especially in frameworks like Vue.js, you're in the right place! This article delves into how to facilitate the automatic import of images using the require.context method. Why This Issue Occurs When you're dealing with a large number of images, maintaining and updating the image list in your code can become tedious. Manually adding image paths defeats the purpose of efficiency and can lead to mistakes. This need for automation becomes especially apparent when working with dynamically loaded content, where images are regularly updated. Thus, using require.context can simplify the process, allowing you to…  ( 4 min )

In the world of modern software delivery, speed and reliability are everything. Users expect features to roll out fast — without downtime or drama. That’s where CI/CD comes in. In this blog, we’ll break down what CI/CD really is, how it powers DevOps, and walk through a real example so you can see it in action. CI/CD stands for: Continuous Integration (CI) – Automating the build and test process every time code is committed. Continuous Delivery (CD) – Automating the release of that tested code to staging or production. In simple terms: You commit code → It’s built and tested → If successful, it’s deployed automatically This approach avoids the nightmare of last-minute integration hell, ensures bugs are caught early, and allows teams to ship smaller, safer changes more frequently. Faster de…  ( 4 min )

You're shipping reports, invoices, or data exports as PDFs. And they look like they were built in 1998. That might fly internally, but the moment you're sending them to clients, investors, or partners, it reflects directly on your brand. Bad design isn't neutral. It kills trust. With reportgen.io, you can generate stunning PDFs using modern CSS, Tailwind, and Chart.js - without turning your dev team into a design agency. Here's how to go from "ugh" to "damn" in 15 minutes. If you want tight control and don't mind some manual work, you can write vanilla CSS. Think of this like hand-coding an HTML email. body { font-family: Arial; padding: 20px; } .invoice { max-width: 600px; margin: auto; border: 1px solid #ccc; padding: 20px; } <div cla…  ( 4 min )

Setting Up NVM, Node.js, and Yarn on WSL Ubuntu This guide will walk you through the complete process of setting up Node Version Manager (NVM), Node.js, and Yarn package manager on Windows Subsystem for Linux (WSL) with Ubuntu. WSL with Ubuntu installed and properly configured Internet connection Basic terminal knowledge NVM allows you to install and manage multiple versions of Node.js. # 1. Update your package lists sudo apt update # 2. Install dependencies required for NVM sudo apt install -y curl wget build-essential # 3. Download and run the NVM installation script curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash # 4. Close and reopen your terminal, or run this to apply changes immediately: export NVM_DIR="$HOME/.nvm" [ -s "$NVM_DIR/nvm.sh" ] && \. "…  ( 5 min )

When working with Terraform, managing resource dependencies effectively is key to avoiding deployment issues. Terraform is great at automatically determining the order of resource creation, but sometimes it needs a little help, this is where depends_on comes in. In this guide, we’ll explain Terraform depends_on, how to use it, when to use it, and best practices for writing clean and efficient Terraform code. Terraform’s depends_on is a meta-argument that allows you to specify an explicit relationship between resources. When you use it you can enforce an order in which resources should be created or updated. When you configure Terraform, it analyses its dependency graph to understand the relationships between different resources. This graph helps Terraform determine the order in which r…  ( 5 min )

When developing a Flutter application that targets both mobile and web platforms, managing files can get a bit tricky due to varying support for libraries like dart:io and dart:html. This article will guide you through how to effectively handle file operations in a way that works seamlessly across both platforms. Let's delve into how to structure your code to manage files appropriately using platform checks. Understanding Platform-Specific Libraries In Flutter, the library dart:io facilitates file handling for mobile applications, while dart:html serves the web platform. Importing both libraries in a single project can lead to compilation errors due to the conflicting imports. Understanding this is crucial when attempting to build apps that target multiple platforms. Building a Unified Fil…  ( 4 min )

In today's fast-paced digital landscape, beautiful design isn’t a luxury — it’s an expectation. Customers expect seamless, visually striking apps that work flawlessly across devices. That's why we are incredibly excited to unveil a game-changing upgrade for the DronaHQ community: Introducing the Figma Design Kit — a comprehensive, fully customizable design system designed to streamline the design-to-development process. Whether you're a UI/UX designer or a developer, this kit offers everything you need to build stunning, consistent, and high-quality user interfaces directly in Figma, ensuring that your designs are easily translated into DronaHQ applications. With this kit, you can maintain brand consistency, speed up your design workflow, and hand off your assets seamlessly to develope…  ( 6 min )

Installing Go (Golang) on WSL Ubuntu This guide walks you through installing Go programming language on Windows Subsystem for Linux (WSL) with Ubuntu. WSL with Ubuntu installed and properly configured Internet connection Basic terminal knowledge There are two main methods to install Go on WSL Ubuntu: This method ensures you get the latest version of Go directly from the official website: # 1. Update your Ubuntu packages sudo apt update sudo apt upgrade -y # 2. Install required packages sudo apt install -y wget git # 3. Check the latest Go version # Visit https://go.dev/dl/ for the latest version # As of May 2025, Go 1.24.2 is the latest stable version # 4. Download the Go binary package # Replace 1.24.2 with the latest version as needed # For standard Intel/AMD processors (most common…  ( 4 min )

Machine learning is everywhere these days—from the recommendations on Netflix to self-driving cars cruising down the streets. But if you’ve ever tried to dive deeper, you’ve probably come across terms like supervised, unsupervised, and reinforcement learning. It can get overwhelming, especially if you're just starting out. Let’s break it down in simple terms, without the jargon overload, so you can actually understand what these types of machine learning are all about. 1. Supervised Learning: Learning with a Teacher In supervised learning, the machine is given input data and the correct output (the “label”). It learns from these examples so that, later, when it sees new data, it can predict the right answer. Common uses: Spam detection in emails Predicting house prices Recognizing handwri…  ( 4 min )

Let’s be honest - managing database changes can sometimes feel like juggling fire. You’ve got multiple developers making updates, environments to manage, rollbacks to worry about, and let’s not forget those late-night “It worked on dev!” surprises. But guess what? There's a tool that can help you stay ahead of the chaos. It’s called Liquibase, and it's like having a helpful assistant who always remembers what changes were made, who made them, and when. Today, we're going to break it down - what Liquibase is, how it works (especially with YAML), why it's useful, and how it's being used in real projects like mux-sql. So grab your favourite cup of coffee ☕️, and let’s dive in! Liquibase is an open-source database change management tool. Think of it as version control, but for your database. J…  ( 7 min )

In the smoldering forges of Old Valyria, where data flows like wildfire and downtime is the true enemy, there sits a sovereign of steel and silicon—the MSP40. Forged in the fires of precision and armored against chaos, this managed Ethernet switch defends the Seven Realms of Industry 4.0 with the ruthlessness of Tywin Lannister and the foresight of Bran the Broken. Let us declare why this switch claims the Iron Throne of industrial IoT. Chapter 1: The Forge of Dragonstone MSP40 is no mere ironborn gadget. Tempered in the Foundries of Valyrian Steel, it wields powers unseen since the Age of Heroes: Dragonflame Resilience: Operates from -40°C to +85°C—hotter than Drogon’s breath, colder than the Night King’s touch. Why it shatters the old order: Legacy Switches: As reliable as Joffrey’s promises—crumbling under pressure. Chapter 2: The War of Five Ports The Battle of Blackwater Bay (Smart Factories): MSP40 commands robotic arms with the precision of Arya’s Needle, slashing downtime like Lannister soldiers. “Chaos isn’t a pit. It’s a 40% productivity gain,” it whispers. The Siege of Winterfell (Power Grids): Guards substations against EMP storms, steadfast as Brienne’s oath. “The North remembers… surge protection.” The Red Wedding (Traffic Systems): Halts data collisions at smart intersections, sparing cities from King’s Landing-level gridlock. “The network sends its regards.” The Words of House MSP40 Ports: 12 channels of fury—8 RJ45 knights and 4 SFP dragons. The Dragons of Innovation The Dark Threats Beyond the Wall Legacy Switches: Bloat like Robert Baratheon’s reign, guzzling budgets and sanity. The Prophecy of the Prince That Was Plugged In Epilogue: Winter is Here (And It’s Buffering) the MSP40 is to court chaos—a realm of molten slag and screaming CFOs. The night is dark and full of packet loss. References The Song of Silicon & Packets (Maester Luwin’s Tech Scrolls) Fire & Bandwidth: A History of Industrial Ethernet (Dragonstone Archives) A Clash of Latency (King’s Landing IoT Reports)  ( 4 min )

How to Design a Height Adjustment Tool Using 3D CAD Software This article outlines the process of designing a height adjustment tool from concept to digital prototype using SelfCAD. It explores how to model key components such as the adjustable shaft, locking mechanism, and base support, while emphasizing accuracy, dimensional planning, and assembly compatibility. Through this tutorial, users will gain insight into translating mechanical design requirements into practical 3D models ready for visualization or 3D printing. https://www.selfcad.com/tutorials/3a395t6eve1f4m6p4z551ar1l5x156l641k2 Once you’ve launched the editor; https://www.selfcad.com/tutorials) available on the SelfCAD website. The tutorials page provides a treasure trove of guides, tips, and tricks that cater to designers of all levels. https://www.selfcad.com/academy/curriculum/), https://www.youtube.com/@3dmodeling101, and 3D Modeling 101 series (https://www.youtube.com/playlist?list=PL74nFNT8yS9DcE1UlUUdiR1wFGv9DDfTB). This comprehensive resource offers in-depth courses taught by industry experts, allowing you to master the intricacies of SelfCAD at your own pace  ( 4 min )

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Building reproducible models' accuracy is equally essential with model performance results in today's rapidly evolving machine learning (ML) environment. The practice of tracking and managing changes to datasets through time receives insufficient attention despite the focus on selecting the correct algorithms and adjusting hyperparameters. Data versioning practice is a critical management system that succeeds or fails an entire ML project. Reproducibility and Traceability Machine learning functions best when researchers maintain the ability to reproduce their outcomes. Model result reproducibility transforms into a random guessing process when you fail to version your data. When you retrain your model, it should deliver uniform results after each dataset variation. However, imagine seeing …  ( 6 min )

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How to Design a Tape Roller Using 3D CAD Software https://www.selfcad.com/tutorials/582738p5j4xh1v3f4sz5g505x5j5x2k5w4i6 Once you’ve launched the editor; https://www.selfcad.com/tutorials) available on the SelfCAD website. The tutorials page provides a treasure trove of guides, tips, and tricks that cater to designers of all levels. https://www.selfcad.com/academy/curriculum/), https://www.youtube.com/@3dmodeling101, and 3D Modeling 101 series (https://www.youtube.com/playlist?list=PL74nFNT8yS9DcE1UlUUdiR1wFGv9DDfTB). This comprehensive resource offers in-depth courses taught by industry experts, allowing you to master the intricacies of SelfCAD at your own pace  ( 5 min )

Check out this Pen I made!  ( 2 min )

As a system administrator or developer, securing your Linux server is non-negotiable. In this guide, we'll set up a robust yet lightweight firewall solution combining two powerful tools: UFW (Uncomplicated Firewall) and fail2ban. This combination provides an excellent security foundation without consuming excessive system resources. UFW (Uncomplicated Firewall) lives up to its name by simplifying iptables configuration while providing comprehensive firewall functionality. fail2ban monitors log files and temporarily bans IPs that show malicious behavior, such as repeated failed login attempts. Together, they create a powerful security layer that: Controls which services are accessible Blocks brute force attacks Prevents various network-based threats Uses minimal system resources UFW comes …  ( 6 min )

Hi there, fellow developers of PHP! Have you ever noticed that searching your database takes longer than destroying coffee? And your extremely complex PHP tool is sluggish when obtaining facts? The heritage may conceal the problem: MySQL indexes that are either nonexistent or implemented incorrectly. Working with databases takes up a significant amount of our time as PHP developers. Knowledge of how to optimize such interactions is necessary for developing apps that may be fast, scalable, and easy to use. Similarly, indexing is your secret weapon when it comes to MySQL. Suppose that a database table is a vast, disorganized library. To find a certain book (or data row) in the absence of an index, one must search across every shelf. Suppose the same library's catalog is now well-structured. …  ( 7 min )

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In the journey of using Scala 3.6.4, you might encounter situations where you're trying to debug your code and use quotes.reflect.report.info to log messages. However, you may notice that the compiler output doesn’t display all the messages you expect, and it seems like Scala is deduplicating these messages, even when they are unique. Understanding the Issue The issue arises from the way Scala's compiler optimization handles logging messages. When using quotes.reflect.report.info, the compiler may decide to suppress logging information that it considers duplicate. This can lead to frustration, especially when you rely on descriptive debugging information to trace issues within your macros or templates. This deduplication feature is crafted by design, aimed at reducing noise in the error ou…  ( 4 min )

Stop Using AWS. Jonas Scholz ・ May 3 #cloud #devops #docker #startup  ( 2 min )

Introduction to Chrome Printing Issues with CSS When printing web pages, different browsers behave differently and utilize media queries in varying ways. You may have encountered a situation where your stylesheets work beautifully in Internet Explorer, applying the desired styles while printing, but you face challenges in Google Chrome. This can be frustrating, especially if your layout includes essential modifications like removing headers and footers to create a more print-friendly output. In this article, we will explore the reasons behind these inconsistencies and present effective solutions to ensure your print styles are applied correctly in Chrome. Understanding Print Stylesheets and Browsers Why Do Browsers Render Print Styles Differently? One primary reason for the discrepancy bet…  ( 5 min )

Have you ever wanted a minimal, flexible time tracking tool that respects your flow as a developer or freelancer? After building tools for clients for years, I finally built one for myself — and now I'm sharing it with you. ✅ What is TimeTracks? 🔁 Live clock-in/out ⚡️ Built on DynamoDB, Express, and JWT for speed and flexibility All data is scoped by organization, so multiple teams can track time independently — whether you're solo or running an agency. 🧱 Why I built it I also wanted: A clean API-first design TimeTracks is currently in open beta — early users will have free lifetime access. 🔧 Tech stack 🌐 Try it https://timetracks.visidra.com You can sign up, invite teammates, and start tracking time in minutes. No card required. 💬 Feedback welcome What features do you wish lightweight time tracking tools had? Would you use it to track CI/CD jobs or async workflows? Do you want integrations with GitHub, Notion, or Jira? Leave a comment or DM me — let’s build a better time tracker, together.  ( 4 min )

Introduction If you're using the Ollama library to interact with custom language models and encountering an error like model not found, you're not alone. This article will delve into the reasons for this issue, specifically with the model named hf.co/mradermacher/Llama-3.2-3B-Instruct-uncensored-GGUF, and provide actionable steps to resolve it. Understanding the Error The error message you received, ollama._types.ResponseError: model 'hf.co/mradermacher/Llama-3.2-3B-Instruct-uncensored-GGUF' not found (status code: 404), indicates that the Ollama library couldn't locate the specified model. There are various reasons this could happen: Model Availability: The model might not be available, or it might be a private repository. Version and Naming: The naming convention or version control could…  ( 4 min )

I originally posted this post on my blog. These days, Ben, one of my email subscribers, asked me a question about blogging using Markdown. Here's an edited version of his email: I have been on a journey to start a coding blog over the past couple of months but just cannot get behind Markdown blogging in an IDE, which seems to be the most common or popular way to create a blog. I find it far easier to use some web service that essentially amounts to a rich text editor. What would you recommend in this instance? Am I missing some obvious solutions or is getting the hang of Markdown just the way everyone recommends doing this? Well, I'm a plain-text fan. Writing posts using Markdown on a text editor is my favorite way to blog. You could write HTML files and publish them directly to the Intern…  ( 4 min )

May 5, 2025 - SM Aura, Taguig - If you’re like me and love gaming almost as much as you love Jollibee, then get ready—because this new drop is fire. 🔥 Just launched, Jollibee officially kicked off its first-ever GameJoy Con, and it’s bringing something awesome to the table: GameJoy Combos. These new meal sets don’t just satisfy your hunger—they also come with GameJoy Credits that you can use to top up your favorite mobile games. Yes, your Chickenjoy now comes with actual game joy! 🎉 GameJoy Con: Big Names, Lukewarm Impact GameJoy Con looked like a spectacle, with multiple personalities and creators in attendance hyping up the campaign. The event had the ingredients for a community-powered launch, but some fans and observers felt it didn’t quite live up to its full potential. While the e…  ( 5 min )

The Go SDK for Azure Cosmos DB is built on top of the core Azure Go SDK package, which implements several patterns that are applied throughout the SDK. The core SDK is designed to be quite customizable, and its configurations can be applied with the ClientOptions struct when creating a new Cosmos DB client object using NewClient (and other similar functions). If you peek inside the azcore.ClientOptions struct, you will notice that it has many options for configuring the HTTP client, retry policies, timeouts, and other settings. In this blog, we will cover how to make use of (and extend) these common options when building applications with the Go SDK for Cosmos DB. I have provided code snippets throughout this blog. Refer to this GitHub repository for runnable examples. Common retry scenari…  ( 12 min )

The Remy-Linguini Dynamic If you haven't seen the movie, here's the gist: Remy is an incredible chef with all the know-how, but he's a rat, so no kitchen access. Linguini is a kitchen worker with full access but little cooking skill. Together, they form a symbiotic relationship: Remy hides under Linguini's hat and guides him on what tools to use and when. If a customer orders fries, Linguini might freeze, but Remy scopes out the kitchen, sees what's available, and gives step-by-step instructions: "Grab a knife and a cutting board. Now slice the potato." Then, Linguini executes the plan. Agentic systems work similarly. You have three core components: A Large Language Model (LLM) An Agent Tools The LLM is like Remy; it is full of knowledge and reasoning, but has no hands-on access. Th…  ( 7 min )

Introduction In today's interconnected world, verifying educational achievements has become increasingly important. Traditional paper certificates are susceptible to loss, damage, and forgery. Moreover, sharing these credentials across borders or institutions can be cumbersome. Digital credentials offer a solution—secure, verifiable, and easily shareable representations of academic accomplishments. This article explores how digital credentials, particularly those using decentralized identity technologies, are transforming the way we recognize and share educational achievements. The Limitations of Traditional Credentials Traditional educational credentials, such as paper diplomas and transcripts, have several drawbacks: Vulnerability to Fraud: Paper certificates can be easily forged, leadin…  ( 5 min )

In the world of digital communication, email remains one of the most powerful tools for businesses. Yet, even with the best content and design, your emails might still end up in the dreaded spam folder or worse, never reach your audience at all. If you've noticed low open rates or minimal engagement, email deliverability issues could be the culprit. Let’s explore why your emails aren’t reaching inboxes, and more importantly, how to fix it. Email deliverability refers to the ability of your email campaigns to reach your subscribers' inboxes. It’s not just about sending an email successfully; it’s about making sure it lands where it's supposed to—the inbox, not the spam folder. Deliverability is influenced by several technical and content-related factors that email service providers (ESPs) u…  ( 5 min )

Introduction Are you working with multiple instances of TaskListView in your SwiftUI application and encountering a challenge with task state synchronization? If marking a task as complete or incomplete in one instance doesn’t reflect in another dynamically, you’re not alone. This article discusses how to maintain synchronized state across instances of TaskListView, enhancing your SwiftUI app's user experience. Understanding the Problem When you have multiple instances of TaskListView, it’s essential to ensure that they can communicate with each other and reflect the same state changes in real-time. The common approach is to maintain a centralized state that allows both instances to read from and write to the same source. This is particularly crucial in applications where real-time data up…  ( 5 min )

Risk Management in Dev Projects: Identifying, Assessing, and Mitigating Technical Risks Pratham naik for Teamcamp ・ May 7 #webdev #productivity #devops #opensource  ( 2 min )

Types of Hosting There are 4 main types of hosting, depending on your needs, budget, and technical skills: What it is: Multiple websites share the same server and resources. Best for: Beginners, small websites, blogs. Pros: Cheap, easy to use. Cons: Limited performance, less control, security risk from other users. Examples: Hostinger, Bluehost, GoDaddy, Namecheap What it is: A physical server divided into virtual servers. You get dedicated resources. Best for: Developers, small-to-medium apps, testing environments. Pros: More control, better performance than shared. Cons: Needs basic sysadmin knowledge (SSH, Linux, Docker). Examples: DigitalOcean, Linode, Hetzner, Vultr What it is: You get the whole physical server just for your app. Best for: Large apps, enterprise workloads, high-traffic systems. Pros: Full control, top performance. Cons: Expensive, requires advanced knowledge to manage. Examples: OVH, Liquid Web, IBM Cloud Bare Metal What it is: On-demand infrastructure with autoscaling, storage, and other services. Best for: Scalable apps, modern deployments, CI/CD workflows. Pros: Scales easily, pay-as-you-go, supports containers/microservices. Cons: Learning curve, can be costly over time if not optimized. Examples: Cloud providers: AWS (EC2, ECS, Lightsail), Azure, Google Cloud PaaS: Render, Railway, Heroku, Vercel (frontend), Netlify (frontend) Some hosts specialize in Docker/Kubernetes: For Docker Compose: VPS (DigitalOcean, Hetzner) For Kubernetes: AWS EKS, Azure AKS, GCP GKE, or K3s on your VPS If you found this helpful, consider supporting my work at ☕ Buy Me a Coffee.  ( 3 min )

Implementing a JavaScript plugin system using Rust with Deno can be an exciting challenge. This guide explores how to set up such a system that can integrate JavaScript execution alongside Rust's efficiency while leveraging Deno's secure permission model and web APIs. Understanding Deno and its Permission Model Deno is a modern runtime for JavaScript and TypeScript that offers robust security through permissions. It allows developers to run JavaScript code outside of a browser-controlled environment with controls over which files and network access is available. This makes it an ideal candidate for implementing a plugin system where different scripts can be executed with varying levels of control. Setting Up Your Rust Project with Deno To get started, you need to create a new Rust project.…  ( 5 min )

Learning Swift: The Basics of iOS Development If you're looking to dive into iOS development, Swift is the language you need to learn. Developed by Apple, Swift is powerful, intuitive, and designed specifically for building apps across Apple’s ecosystem—iOS, macOS, watchOS, and tvOS. In this guide, we’ll cover the fundamentals of Swift and how to get started with iOS development. Whether you're a beginner or an experienced developer exploring mobile development, this article will help you grasp the core concepts. Why Learn Swift? Before jumping into the syntax, let’s discuss why Swift is a great choice: Modern & Fast – Swift is optimized for performance and includes modern programming features like type inference, optionals, and memory management. Easy to Read – Its clean syntax makes it e…  ( 5 min )

Buy Me a Coffee☕ *My post explains variable assignment in Python. You can unpack the iterable which has zero or more values to one or more variables as shown below: *The number of variables must match the number of values unless a variable uses *. v1, v2, v3 = [0, 1, 2] v1, v2, v3 = [0, 1] # ValueError: not enough values to unpack (expected 3, got 2) v1, v2, v3 = [0, 1, 2, 3] # ValueError: too many values to unpack (expected 3) *The one or more values with one or more commas(,) are a tuple. v1, v2, v3 = [0, 1, 2] v1, v2, v3 = range(0, 3) v1, v2, v3 = 0, 1, 2 # Tuple v1, v2, v3 = (0, 1, 2) print(v1, v2, v3) # 0 1 2 *By default, only keys are assigned to variables from a dictrionary same as using keys(). v1, v2, v3 = {"name":"John", "age":36, "gender":"Male"} v1, v2, v3 = {"name":"John", "age":36, "gender":"Male"}.keys() print(v1, v2, v3) # name age gender *values() can get only the values from a dictionary. v1, v2, v3 = {"name":"John", "age":36, "gender":"Male"}.values() print(v1, v2, v3) # John 36 Male *items() can get both the keys and values from a dictionary. v1, v2, v3 = {"name":"John", "age":36, "gender":"Male"}.items() print(v1, v2, v3) # ('name', 'John') ('age', 36) ('gender', 'Male') print(v1[0], v1[1], v2[0], v2[1], v3[0], v3[1]) # name John age 36 gender Male v1, v2, v3, v4, v5 = "Hello" print(v1, v2, v3, v4, v5) # H e l l o  ( 3 min )

Mobile Navigation Menu How To, for Web Applications This tutorial explains How to Create a Vertical Navigation Menu for Smartphones and Tablets Using CSS and JavaScript. Imagine a top horizontal bar in a smartphone. There is the menu icon at the right of the bar, and the logo at the left of the bar. When the icon is clicked, a vertical menu bar appears below the top bar, pushing the main document content downwards. When the icon is clicked again, the vertical menu bar disappears and the main document content rises up to its original placement. Do not confuse between a menu and a menu icon. A menu is a list of items. The list may be vertical or horizontal. For this tutorial, the list is vertical. The menu icon is a small button having three horizontal bars. When the menu icon i…  ( 11 min )

Originally written at pooyan.info Who is the author? Check out my profile on LinkedIn. Vendor lock-in refers to a situation where an organization becomes overly dependent on a specific vendor's products or services, making switching to alternatives costly, time-consuming, or technically difficult. Over the years, many companies have experienced frustration when trying to move away from large vendors like IBM, Microsoft, or Oracle due to contractual constraints, proprietary technologies, and sudden pricing changes. A recent example is VMware's acquisition by Broadcom, followed by significant pricing changes that disrupted many businesses. In startup environments, it's common to hear voices urging multi-cloud strategies or insisting on only using "cloud-agnostic" tools to avoid a potential l…  ( 7 min )

Introduction If you’ve ever encountered the no main manifest attribute error while trying to run a JAR file in Java, you’re not alone. This common issue arises when the JAR file lacks the necessary metadata to specify the entry point of your application. This article will guide you through understanding this error, configuring your pom.xml file correctly, and successfully packaging your Java application into a runnable JAR file. Understanding the Error When you package a Java application into a JAR file, the Java Runtime Environment (JRE) looks for a specific entry in the JAR's manifest file to understand where the main class is located. If this entry is missing, Java throws the no main manifest attribute error. This typically happens when the maven-jar-plugin isn't correctly configured in…  ( 5 min )

Leapcell: The Best of Serverless Web Hosting The Python code style guide is not set in stone. It evolves continuously with the development of the language. Some old conventions are gradually phased out, and new ones keep emerging. At the same time, many projects have their own coding style guides. When there are conflicts, the project-specific guides should be followed first. However, there is an important principle to keep in mind: "The stupid persistence in consistency is the monster of ignorance", which is a profound insight from Guido. Since code is often read more frequently than it is written, the core goal of the style guide is to improve code readability and keep all kinds of Python code consistent. As PEP20 says, "Readability counts". The style guide emphasizes consistency. While …  ( 10 min )

Leave a comment below to introduce yourself! You can talk about what brought you here, what you're learning, or just a fun fact about yourself. Reply to someone's comment, either with a question or just a hello. 👋 Come back next week to greet our new members so you can one day earn our Warm Welcome Badge!  ( 3 min )

In today's financial landscape, managing personal finances effectively has become increasingly complex. As a developer who was frustrated with existing solutions, I set out to build WiseCashAI - a completely free, browser-based personal finance tracker that leverages AI to provide intelligent insights and automate financial management tasks. Financial management apps often come with significant limitations: subscription fees, privacy concerns, limited customization, and lack of intelligent features. WiseCashAI addresses these issues by providing: A 100% free solution with no hidden costs Complete privacy with browser-based storage (your financial data never leaves your device) AI-enhanced features for intelligent financial management Seamless synchronization across devices via Google Drive…  ( 5 min )

Quando se trata de desenvolvimento web fullstack para aplicações empresariais, poucas combinações oferecem a solidez e a maturidade de Angular no frontend e Java no backend. Esta stack tecnológica continua sendo uma escolha popular para sistemas que exigem confiabilidade, segurança e escalabilidade. Como desenvolvedor que já trabalhou em vários projetos usando essa combinação, posso compartilhar que a curva de aprendizado inicial pode parecer íngreme, mas os benefícios a longo prazo são substanciais. Na minha experiência, existem várias razões convincentes para escolher esta stack: Tipagem forte em toda a aplicação - TypeScript no Angular e Java no backend proporcionam um ambiente completamente tipado, reduzindo erros em tempo de execução Arquitetura corporativa madura - Ambas as tecnologi…  ( 6 min )

In this article, we are going to review API layer in /apps route in ACI.dev platform. We will look at: Locating the /apps route apps folder API layer in apps/page.tsx This /apps route loads a page that looks like below: ACI.dev is the open source platform that connects your AI agents to 600+ tool integrations with multi-tenant auth, granular permissions, and access through direct function calling or a unified MCP server. ACI.dev is open source, you can find their code at aipotheosis-labs/aci. This codebase has the below project structure: apps backend frontend frontend ACI.dev is built using Next.js, I usually confirm this by looking for next.config.ts at the root of the frontend folder. And there is a src folder and app folder inside this src folder. This means t…  ( 4 min )

Why Learning to Code is So Damn Hard Rachel Moser for The Odin Project ・ Mar 16 #webdev #programming #theodinproject  ( 2 min )

import time import requests BEARER_TOKEN = "A" user_name = 'apex_ether' url = f"https://api.twitter.com/2/users/by/username/{user_name}" headers = {"Authorization": f"Bearer {BEARER_TOKEN}"} params = { "user.fields": "id,name,username,created_at,description,location,url,profile_image_url,protected,verified,public_metrics" } response = requests.get(url, headers=headers, params=params) time.sleep(5) # 即使查不到用户信息 响应码也是200，这里不会报错 response.raise_for_status() res_data = response.json() # {'data': {'location': 'Mempool', 'description': 'building @veildotcash', 'id': '1052847943185661952', 'name': 'Apex777.eth', 'username': 'apex_ether', 'profile_image_url': 'https://pbs.twimg.com/profile_images/1743420564436324352/eY2NN3QI_normal.jpg', 'public_metrics': {'followers_count': 6887, 'following_count': 939, 'tweet_count': 5250, 'listed_count': 81, 'like_count': 10249, 'media_count': 538}, 'url': 'https://t.co/nIOHUjJyDF', 'protected': False, 'verified': False, 'created_at': '2018-10-18T09:04:45.000Z'}} print(f'用户详情：{res_data}') # user_id = res_data.get('data', {}).get('id')  ( 3 min )

Responsive design used to mean endless media queries, rigid breakpoints, and lots of trial and error. But modern CSS offers something better — the power of clamp(). Still, using clamp() across different layout properties (like spacing, widths, typography) isn't always intuitive. So let’s simplify it. clamp()? Here’s what the right tool can help you with: ✅ Boost productivity ✅ Cut down on trial-and-error ✅ Write cleaner, scalable CSS ✅ Build fluid layouts with fewer breakpoints ✅ Preview and optimize shorthand styles (padding, margin, etc.) Whether you're designing for typography or layout, these tools remove the guesswork from creating smooth, scalable styles. Typography scaling with typescales for headings, body, and captions Spacing control for margin, padding, and gap, includi…  ( 4 min )

Installing AWS CLI v2 on WSL (Ubuntu) This guide walks you through installing the AWS Command Line Interface (CLI) version 2 on Windows Subsystem for Linux (WSL) with Ubuntu. WSL with Ubuntu installed Internet connection Basic terminal knowledge There are two main methods to install AWS CLI v2 on WSL Ubuntu: This is the recommended method as it installs the latest AWS CLI v2 directly from Amazon. # 1. Update your Ubuntu packages sudo apt update sudo apt upgrade -y # 2. Install unzip if you don't have it already sudo apt install -y unzip curl # 3. Download the AWS CLI v2 installation package curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" # 4. Unzip the installer unzip awscliv2.zip # 5. Run the install program sudo ./aws/install # 6. Verify the insta…  ( 4 min )

Here’s a standard and scalable directory structure for a Point of Sale (POS) system using MVVM architecture in Swift, with clean separation of concerns and real-world modularity: POSApp/ │ ├── App/ │ ├── AppDelegate.swift │ ├── SceneDelegate.swift │ └── Environment/ │ └── AppEnvironment.swift │ ├── Coordinators/ │ ├── AppCoordinator.swift │ └── Modules/ │ ├── AuthCoordinator.swift │ ├── ProductCoordinator.swift │ ├── CartCoordinator.swift │ └── CheckoutCoordinator.swift │ ├── Modules/ │ ├── Auth/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├── Model/ │ │ └── Service/ │ │ │ ├── Product/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├── Model/ │ │ └── Service/ │ │ │ ├── Cart/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├─…  ( 4 min )

Here’s a standard and scalable directory structure for a Point of Sale (POS) system using MVVM architecture in Swift, with clean separation of concerns and real-world modularity: POSApp/ │ ├── App/ │ ├── AppDelegate.swift │ ├── SceneDelegate.swift │ └── Environment/ │ └── AppEnvironment.swift │ ├── Coordinators/ │ ├── AppCoordinator.swift │ └── Modules/ │ ├── AuthCoordinator.swift │ ├── ProductCoordinator.swift │ ├── CartCoordinator.swift │ └── CheckoutCoordinator.swift │ ├── Modules/ │ ├── Auth/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├── Model/ │ │ └── Service/ │ │ │ ├── Product/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├── Model/ │ │ └── Service/ │ │ │ ├── Cart/ │ │ ├── View/ │ │ ├── ViewModel/ │ │ ├─…  ( 4 min )

🚀 12+ Must-Have Free JSON APIs for Developers in 2025 Looking to supercharge your next project with real, reliable, and ready-to-use data? Say hello to AquaScript — your ultimate hub for free, blazing-fast JSON APIs that make development smoother, smarter, and more fun! 💻✨ 🚫 No Sign-ups or API Keys: Instant access — no barriers, no strings attached. ⚡ Lightning-Fast Responses: Optimized for speed to keep your development process smooth. 📚 Diverse Data Categories: From books and movies to jokes and recipes, we've got a wide range of data sets. 🔄 Regular Updates: Our APIs are constantly updated to ensure data relevance and accuracy. Access detailed information on book titles, authors, genres, and more. Retrieve comprehensive movie data, including ratings, cast, and streaming availability. Fetch a vast collection of inspirational, funny, and motivational quotes. Get clean jokes suitable for all audiences, including tech-specific humor. Generate mock user data for testing and development. Discover a variety of recipes with ingredients, instructions, and nutritional information. Access song metadata, lyrics, and artist information. Visit AquaScript and start integrating these powerful APIs into your projects today. Whether you're building an app, a website, or just experimenting, AquaScript provides the tools you need — free, fast, and reliable. Found AquaScript helpful? Share it with your fellow developers and help others discover this valuable resource. Let's build amazing things together! 🌟 Contact: support@aquascript.xyz Subscribe Channel: https://youtube.com/@aquascript-apis?si=hfXTbDmZdWx3AHf9  ( 3 min )

Managing keys for your Lua scripts can be crucial for ensuring security and functionality, especially if you're looking to control access without relying on expensive or complex services. In this article, we'll guide you through creating a simple key management system in Lua that enables you to generate, manage, and validate keys easily. Understanding Key Management in Lua Key management in programming is essential for controlling who has access to your application or script's features. As a beginner, you might struggle with various third-party solutions that can be confusing or costly. By developing your own key management system in Lua, you can tailor it to your needs without unnecessary complexity. Why You Need a Custom Key Management System Cost-Effective: Instead of paying for service…  ( 5 min )

“A maior revolução da nossa era não é industrial, nem digital na verdade é cognitiva. E a protagonista é a famigerada Inteligência Artificial.” 🚀 Este post é um resumo expandido do nosso vídeo no YouTube Gravamos um episódio especial para discutir o impacto real da Inteligência Artificial na sociedade, na economia e no futuro do desenvolvimento de software. Agora, com novas reflexões e termos que surgiram após a gravação como o "Vibe Coding" decidimos ampliar essa conversa por aqui. Se você quiser a experiência completa em vídeo, assista ao episódio no YouTube: youtube - Explorando a AI Moderna A Inteligência Artificial (IA) deixou de ser um conceito de ficção científica para se tornar uma das forças mais influentes na transformação da sociedade contemporânea. Presente nos assistente…  ( 9 min )

Today I need to find a suitable foundational library for video processing. FFMpegCore works for one-shot things but despite a fluent API, its interface is still too command line like. Here is what I found out: OpenCvSharp LibVLCSharp FFMediaToolkit Frames ✅ decode / encode ✅ (via callbacks) ❓ Audio ❌ ✅ decode / encode / mux ❓ Extra libs ~5 MB/platform +7 MB +7 MB Licence Apache‑2.0 LGPLv2.1 MIT Platforms Win / mac / Linux / Arm Win / mac / Linux / iOS / Android Win / mac / Linux LibVLCSharp seems more focused on directly displaying things (e.g. in Xamarine and WPF) instead of low-level API based processing; FFMediaToolkit, on the other hand, still depends on FFMPEG and can't avoid licensing issue. Eventually, I had to go with separate video + audio processing in favor of OpenCvSharp (it's Apache-2.0 by the way). Notice OpenCVSharp has some advantage over EmguCV for custom dev: OpenCvSharp Emgu.CV Licence Apache-2.0 (fully permissive) GPL v3 or commercial licence Interop model Pure P/Invoke (no C++/CLI), works on any .NET core runtime Historically C++/CLI wrapper (needs Windows for full feature set), .NET Standard P/Invoke layer added later NuGet size (native) 4–6 MB per RID (modular runtime packages) 30 MB + for the “opencv‑world” monolith, or 90 MB for emgucv‑runtime‑ubuntu GPU (CUDA) support Provided in separate OpenCvSharp4.runtime.dnn package Official CUDA builds, but Windows‑only binaries unless you compile yourself API surface ~1:1 with OpenCV C++ names (easy to port C++ samples) Thicker .NET façade (e.g. Image types), extra helpers Cross‑platform stability Actively tested on Windows / Linux / macOS / arm64 Windows the main focus; Linux/macOS possible with libopencv from distro or big runtime package Learning curve If you know OpenCV C++ you feel at home Higher‑level abstractions can be friendlier for newcomers Commercial support Community‑driven Paid licences & support available from Emgu CV, Inc.  ( 3 min )

"Just because it’s one database doesn’t mean it should act like one app." Managing multiple applications using a single database with multiple schemas sounds clean—until things start to break under load. Here's what we learned the hard way and how you can handle it better. We had: 🧵 Microservices for modules like user-service, order-service, etc. 🗃️ All shared the same PostgreSQL DB using dedicated schemas (user_schema, order_schema, ...). 🪝 Each app pointed to the same datasource (JDBC URL), but with different search_path schema config. What we expected: Clean schema separation with easy analytics and joins. What we got: Connection leaks, poor connection pool behavior, and schema confusion. With one shared datasource and multiple apps hitting the DB simultaneously, connections kept tim…  ( 4 min )

Introduction Understanding memory allocation in Rust, especially heap allocation, is crucial for writing efficient and safe programs. A common point of confusion arises when working with stack and heap memory, as illustrated by discussions in the Rust community. There has been notable inquiry surrounding issues like stack overflow errors, which are often linked to how Rust manages memory. In this article, we will explore how Rust handles heap allocation and clarify why it behaves the way it does. What is Heap Allocation in Rust? Heap allocation in Rust occurs when we need to allocate memory dynamically, which is often necessary for larger data that cannot fit on the stack. The Rust programming language helps manage memory through a system of ownership, borrowing, and its smart pointers lik…  ( 5 min )

Abstract This post explores the evolving landscape of open source funding and blockchain project funding for new initiatives. We explain how modern funding models, decentralized finance, and tokenization are reshaping sustainable innovation. The post covers background, core concepts, practical use cases, challenges, and emerging trends. By using tables, bullet lists, and easy-to-read language, we deliver technical insight for both developers and investors. Key topics include corporate sponsorship, decentralized finance, tokenized open source licenses, and community-driven models that democratize access to funding. Open source software and blockchain projects can revolutionize how innovation gets funded. Today, new models like corporate sponsorships, decentralized finance (DeFi), and toke…  ( 8 min )

Perl has long been celebrated for its text processing capabilities and its adaptability in various scripting tasks. The Comprehensive Perl Archive Network (CPAN) is a large repository of Perl software and documentation, offering thousands of modules that extend Perl's functionality. In this article, we'll explore some of the notable CPAN modules that every Perl developer should consider using. Moose Moose is a postmodern object system for Perl 5, aiming to provide high levels of flexibility while retaining simplicity. It streamlines the process of creating Perl classes by providing powerful and unconstrained object-oriented programming capabilities. Moose enhances readability and maintainability, making it a favorite among Perl developers. Simple declaration of attributes and classes. Ro…  ( 4 min )

When building components in Ruby using the Phlex library, developers often want the flexibility to use yield multiple times within a single component. The question arises: “Is it possible for a Phlex component to yield more than once?” In this blog post, we will explore this concept, the workings of the Phlex library, and provide a solution to achieve the desired functionality without modifying the method signatures. Understanding Phlex Components Phlex is a powerful library for creating HTML components in Ruby. It allows developers to craft reusable components easily while leveraging the power of Ruby's block syntax. The yield statement in Ruby is often used to pass control from a method back to a block that is supplied at the point of the method call. In traditional Ruby blocks, the stru…  ( 5 min )

Exception handling is an essential aspect of writing robust Perl programs. It ensures that your code can gracefully handle unexpected events or errors without crashing. In 2025, Perl continues to be relevant, with several tools and libraries that make exception handling more intuitive for developers. This guide will take you through the steps to effectively manage exceptions in your Perl programs. Exception handling in Perl involves capturing and managing errors that may occur during the execution of a program. The goal is to prevent these errors from disrupting the program's workflow and to provide clear error messages or logging for troubleshooting. Robustness: Improves the reliability of your applications. User Experience: Ensures that users receive meaningful feedback instead of crypti…  ( 4 min )

Let’s talk about something few developers admit out loud: we're still doing integration wrong. Sure, we’ve moved beyond FTP dumps and cron jobs—hopefully. But even now, in 2025, it’s shocking how often integration is an afterthought. We default to old habits: point-to-point connections, fragile middleware setups, and hand-rolled glue code. It feels productive… until everything breaks. If you’ve ever untangled a mess of connectors, patched together five tools to talk to each other, or babysat a brittle pipeline at 2 a.m.—you know what I mean. The Problem Isn’t That We Don’t Care—It’s That We Start in the Wrong Place Integration usually begins with one request: "We just need to connect System A to System B." So we wire it up. Then System C comes in. Then D. And suddenly we’re dealing with …  ( 4 min )

Abstract: This post explores how open source funding and blockchain-based project funding are transforming education. We discuss the background, core concepts, practical use cases, challenges, and future trends in this emerging ecosystem. By merging community-driven open source practices with blockchain technology—featuring smart contracts, NFTs, and decentralized governance—we uncover innovative pathways to make quality educational content accessible, transparent, and sustainable. Learn how established platforms and cutting-edge initiatives like BitDegree, TeachMePlease, and licensing guides such as the Copyleft Licenses Ultimate Guide are spearheading this revolution. In the digital era, education is evolving rapidly. Traditional funding models are giving way to innovative approaches th…  ( 9 min )

Semicolons were often added to the end of URLs, especially in r/Conservative summaries, and they became a part of the hyperlinks wrongly, making some of the hyperlinks unusable. I often randomly test the hyperlinks and they all worked, but I just realize that I only test the longest hyperlinks, because I think they are the ones more prone to hallucinations. I didn't find any hallucinations. But yesterday I clicked some of the simpler links of r/Conservative summaries and I got 30% of them not working. I panicked because I thought the hallucination caught me off guard, but then I realized all the links were real, but they each got an additional ";" attached to them, which was redundant. The links themselves were correct but the semicolons I used to declare the end of line was wrongly identified as part of the URLs. The fix was simple. I removed all redundant semicolons from all my current and previous output documents. I am really surprised of this bug because it affected so many links but it evaded my "random" sampling for so long, because I didn't test the rendered URL links very thoroughly, and I thought very long and complex links were at higher risks of hallucination, so I tested those a lot. Weird enough, those never had problems, but the shorter, simpler links did. I am very sorry for the potential confusion it might have created.  ( 3 min )

Sebagai pengguna baru MacBook dengan chip M3, mungkin kamu punya beberapa kekhawatiran terkait cara kerja macOS, terutama jika sebelumnya kamu terbiasa dengan sistem operasi Windows. Salah satu pertanyaan yang sering muncul adalah apakah MacBook perlu dimatikan (shutdown) setiap hari atau cukup dengan menggunakan sleep mode? Pada Windows, sering kali kita dihadapkan dengan masalah aplikasi yang terus berjalan di latar belakang, yang menyebabkan sistem menjadi lambat dan mempengaruhi waktu booting saat mulai menggunakan komputer. Hal ini sering membuat pengguna Windows merasa perlu untuk mematikan komputer setiap kali selesai digunakan. Namun, macOS, khususnya pada MacBook dengan chip M3, dirancang dengan cara yang lebih efisien dalam mengelola daya dan aplikasi yang berjalan. Di macOS, Mac…  ( 4 min )

Check out this Pen I made!  ( 2 min )

Introduction If you've encountered an issue with getting your app approved due to problems with the FOREGROUND_SERVICE permission in Kotlin, you're not alone. Many developers face challenges driven by unclear guidelines from the Google Play Store. This article will explore the common reasons for rejection, how to properly declare your app's use of foreground services, and best practices to ensure your app meets compliance standards. Understanding Foreground Service Permission Foreground services allow your application to perform long-running operations while the user is aware of what it is doing. These services are typically used for tasks that need to keep running even if the app is not actively in foreground. However, Google has strict policies regarding how these permissions should be i…  ( 5 min )

AWS AI/ML deployment requires integrated infrastructure, deployment patterns, and optimization techniques Implementing production-scale AI/ML workloads on AWS in 2025 demands a comprehensive approach integrating sophisticated hardware selection, distributed training architectures, and custom security controls with advanced monitoring systems. This guide presents a complete financial fraud detection implementation showcasing AWS's latest ML services, infrastructure patterns, and optimization techniques that reduce cost by 40-70% while maintaining sub-100ms latency at scale. The most successful implementations use purpose-built accelerators (Trainium2/Inferentia2), infrastructure-as-code deployment, and multi-faceted security to create resilient, performant AI systems. The AI/ML landscape …  ( 46 min )

Abstract This post explores the synergy between open source funding and blockchain project funding. We explain their background, core concepts, real-world applications, challenges, and future innovations. The discussion highlights how these funding models collectively empower communities, secure digital assets, and foster innovation. With technical insights, clear explanations, tables, and bullet lists, this guide is designed for developers, investors, and tech enthusiasts seeking to understand and benefit from sustainable, community-driven funding ecosystems. The technology landscape is evolving rapidly with open source and blockchain projects leading the way in innovation and community collaboration. Today, funding models are not only supporting creative software development but also e…  ( 9 min )

Stripe, a global payments platform, has introduced stablecoin-based accounts to clients in over 100 countries. According to a May 7 announcement, the new feature will allow the platform's clients "to send, receive, and hold US-dollar stablecoin account balances, similar to how a traditional fiat bank account works." The product's technical page shows that the new account feature will support Circle's USDC (USDC) and Bridge's USDB (USDB) stablecoins. Stripe acquired the Bridge platform in October 2024. The product will be available to clients in more than 100 countries, including Argentina, Chilé, Turkey, Colombia, and Peru, among others. Stripe's newly launched product comes at a time when stablecoins are increasingly seen as stores of value in developing economies struggling with high in…

Brokerage fintech Robinhood is reportedly developing a blockchain network that will enable retail investors in Europe to trade US securities. According to a May 7 Bloomberg report citing sources familiar with the matter, the move seeks to expand the company's local presence by offering trading of tokenized securities, such as stocks. Two crypto firms, Arbitrum and the Solana Foundation, are reportedly vying to become partners in the project. Tokenization is the process of turning real-world assets, like stocks, real estate, or commodities, into digital tokens that can be traded on a blockchain. Tokenizing securities instead of providing direct exposure can offer several advantages: reduced costs by eliminating traditional financial infrastructure, enhanced accessibility, faster settlement…

What to know: Lyn Alden says a weaker dollar is necessary for the US to stabilize its financial system. Bitcoin and gold are well-positioned to benefit from de-dollarization. Sovereign wealth funds and various nations are already increasing their Bitcoin exposure as the dollar’s global dominance starts to wane. The weakening of the US dollar (DXY) is no longer headline news. With mounting disruptions across the US economy, a declining greenback has become part of the backdrop. Since the start of 2025, the US Dollar Index has dropped 11%, now hovering around levels last seen in April 2022. Markets have largely responded with a shrug. After all, in times of deep restructuring, isn’t some dollar weakness to be expected? The trouble is, this might not be a temporary dip. The dollar’s slide…

Braden John Karony, the former CEO of crypto firm SafeMoon, made an out-of-court statement claiming innocence as his criminal trial began in New York. In a May 6 X post after court proceedings had likely ended for the day, Karony said he was innocent and “did not commit fraud” in response to media coverage of his trial. The former CEO, as well as SafeMoon creator Kyle Nagy and former chief technology officer Thomas Smith, were charged in 2023 for having allegedly “diverted and misappropriated millions of dollars’ worth” of the platform’s SFM token. According to reporting from the US District Court for the Eastern District of New York (EDNY) on May 6, Karony implied that Nagy, who reportedly fled to Russia after authorities filed charges, was responsible for some of the alleged fraud at Saf…

Binance-affiliated BNB Chain has rebounded after a period of stagnation in 2023 amid accelerating institutional and decentralized finance (DeFi) adoption.  During the past year, BNB Chain has benefited from multibillion-dollar inflows into DeFi, US exchange-traded funds (ETFs), and rising trading volume at affiliated centralized exchange (CEX) Binance.  Consequently, the blockchain network’s native BNB token (BNB) has emerged as among the market’s most resilient cryptocurrencies, surpassing all-time highs in the first quarter of 2025 even as the broader crypto market trended downward.  “This resilience isn't just about price action — strong fundamentals also back it,” Joao Wedson, CEO of investing analytics platform Alphractal, said in an April X post. “Binance has built a massive ecosyste…

Key takeaways: Reclaiming the $2,200 level remains the first price challenge for ETH.  ETH price could recover if the Pectra upgrade leads to a surge in DApp and Ethereum network activity.  Ethereum successfully implemented a key network upgrade on May 7, but Ether (ETH) price and its derivatives metrics showed little response to the upgrade. The lackluster response surprised traders and led analysts to question whether ETH still has a real chance of climbing 22% to retake the $2,200 level. Ether 30-day futures annualized premium. Source: Laevitas.ch The ETH futures premium has remained below the 5% neutral threshold, indicating a lack of appetite from leveraged bulls. More significantly, this indicator was unchanged at 3% after the Pectra upgrade, suggesting traders did not adjust thei…

Onchain sleuth and security analyst ZackXBT claims to have identified an additional $45 million in funds stolen from Coinbase users through social engineering scams in the past seven days alone. According to the onchain detective, the $45 million figure represents the latest financial losses in a string of social engineering scams targeting Coinbase users, which ZackXBT said is a problem unique among crypto exchanges: "Over the past few months, I have reported on nine figures stolen from Coinbase users via similar social engineering scams. Interestingly, no other major exchange has the same problem." Cointelegraph reached out to Coinbase but was unable to get a response by the time of publication. Source: ZachXBT The claims made by ZackXBT place the total amount lost by Coinbase users to s…

Speaking at a hearing, US Treasury Secretary Scott Bessent toed the party line in suggesting support for two crypto-related bills moving through Congress. Bessent addressed lawmakers at a May 7 hearing of the House Financial Services Committee, saying that the United States should be the “premier destination for digital assets” in response to a question about American dominance over China in crypto-related innovation. The Treasury Secretary added that “good market structure” and “stablecoin legislation” could help ensure this outcome. US Treasury Secretary speaking at a May 7 hearing. Source: Scott Bessent Bessent’s remarks echoed those of other Republican lawmakers and President Donald Trump, who initially claimed he wanted to make the US the “crypto capital of the world” during his 2024 …

Threat group COLDRIVER is using new malware to steal documents from Western targets, according to a May 7 report from Google Threat Intelligence. The malware, called LOSTKEYS, shows the evolution of the group from credential phishing to more sophisticated attacks. According to the Google report, the new malware is installed through four steps. The process involves a “lure website” with a fake CAPTCHA, a PowerShell script downloaded to the user’s clipboard, some device evasion, and retrieval of the final payload. Lastly, the malware is installed. LOSTKEYS payload delivery. Source: Google LOSTKEYS is capable of stealing files from extensions and directories. It can also send system information and running processes back to COLDRIVER. The address from which the parts of the attack come is “16…

Key Takeaways: Bitcoin’s realized capitalization hit a record $890 billion, reflecting strong investor conviction as long-term and short-term holders increased allocations. Large Bitcoin holders with over 1,000 BTC have accumulated significantly since March 2025, reflecting the Q1 2024 trend. Bitcoin (BTC) price saw a short-squeeze above $97,000 on May 6, shortly after US Treasury Secretary Scott Bessent announced that trade talks would commence with China on May 10. At the same time, BTC’s realized capitalization, a metric adding the dollar value of all coins at their last moved price, soared to a new all-time high of $890 billion on May 7, 2025. The surge also marks the metric’s third consecutive week of record-breaking growth. Bitcoin realized cap. Source: CryptoQuant The realized…

Strive Asset Management, founded by entrepreneur and former presidential candidate Vivek Ramaswamy, has revealed plans to transition into a Bitcoin treasury company. According to a May 7 announcement, Strive is going public through a reverse merger and plans to use the combined company’s stock to accumulate Bitcoin (BTC). The deal will see Strive merging with Asset Entities — a social media marketing company listed on the Nasdaq. The combined entity will operate under the Strive brand and use its access to the public equity markets to finance Bitcoin purchases, the company said.  Once the deal closes, Strive plans to issue approximately $1 billion in equity and debt and use the proceeds to accumulate BTC. The asset manager “intends to use all available mechanisms to build a Bitcoin war che…

Key points: Bitcoin price hangs near $97,000 as traders await today’s FOMC minutes. Bitcoin holding $95,000 as support is key for bullish price expansion in the short term. Select altcoins are holding their respective support levels, opening the gates for a short-term rally. Bitcoin (BTC) bulls are trying to knock down the immediate resistance at $97,895 and challenge the all-important $100,000 level. Crypto analytics platform Santiment said in a post on X that Bitcoin wallets holding between 10 and 10,000 Bitcoin are positive about further gains as they have acquired 81,338 Bitcoin over the past six weeks. Investors have also been piling into BlackRock’s spot Bitcoin exchange-traded fund for the past 16 days, which has boosted its new capital inflows to about $4.7 billion, according t…

The Bybit exchange has recovered its liquidity to pre-hack levels just 30 days following the February 2025 attack that drained nearly $1.5 billion in funds. According to a report from crypto research and analytics firm Kaiko, Bitcoin's (BTC) 1% market depth, a measure of liquidity, returned to pre-hack levels of around $13 million per day in March 2025. Bitcoin liquidity on Bybit exchange rebounds to pre-hack levels. Source: Kaiko Altcoin liquidity levels on the exchange have been slower to recover than Bitcoin but have rebounded to around 80% of the pre-hack levels. The authors of the Kaiko report added: "This lag is largely due to the risk-off market environment, which has impacted altcoins more severely. While Bitcoin is still seen as a risky asset, it remains the crypto market’s safe h…

At least some of the top holders of Donald Trump’s memecoin who apply to attend a private dinner with the president could be based outside the United States. According to a May 7 Bloomberg report based on an analysis of the top TRUMP tokenholders, 19 of the top 25 wallets on the leaderboard used foreign exchanges that exclude US-based customers, suggesting either foreign nationals or Americans living abroad. In addition, more than half of the top 220 holders — the group eligible to apply for a dinner with the president — also used exchanges in other countries. Top 10 TRUMP memecoin holders as of May. 7. Source: Trump meme As of May 7, the identities of the top tokenholders and those who might choose to apply for the May 22 Trump dinner and “special VIP tour” were unknown. However, the proj…

Key points: Bitcoin investors are making the most of the highest price levels in several months by cashing out profits. These are averaging $1 billion per day, leading to concerns that the market comeback may stall or even reverse. Institutional participation has not led to a change in mindset, CryptoQuant says. Bitcoin (BTC) risks a “local top or sharp correction” if current levels of profit-taking continue, new research warns. In a “Quicktake” blog post on May 8, onchain analytics platform CryptoQuant flagged elevated realized profits among BTC investors. BTC profit-taking spikes to January highs Bitcoin realized profits have spiked to multimonth highs this week as BTC/USD reached close to $98,000. For CryptoQuant, the market is becoming comparable to late 2024, when the pair broke t…

Opinion by: Anurag Arjun, co-founder of Avail  On paper, SocialFi is a no-brainer. It promises to shift the balance of power in social media — giving people control over how their content and personal data are used and monetized. It even offers users a stake in the $200+ billion social media advertising market, a pie currently devoured almost entirely by giants like Meta. And yet, SocialFi platforms today feel more like digital ghost towns than the bustling hubs of Web2. Friend.tech, hailed as a breakout star in 2023, peaked at just 80,000 daily active users before falling below 10,000. What's holding SocialFi back? Why does it seem to be following Friend.tech's fade into obscurity rather than rising to rival Facebook's dominance? The harsh reality is that decentralized social networks hav…

Safeheron, a digital asset infrastructure provider based in Singapore, has introduced an open-source Trusted Execution Environment (TEE) framework. This solution could bolster security and privacy for Web3 in sectors like decentralized finance (DeFi), payment services, and decentralized autonomous organizations. The TEE framework is the first built upon the native Intel SGX SDK and developed using modern C++, a general-purpose object-oriented programming language often used for operating systems, game development, and high-powered computing. Safeheron decided to open-source the framework because the company had seen growing concerns across the industry about closed, opaque systems, especially as security incidents have become more widespread. Related: Fully onchain AI agents can be the key…

Key takeaways: XRP price is up 2% on May 7, buoyed by US-China trade talk optimism, with key support at $2.08 critical for sustained recovery. Whale accumulation signals XRP price strength. XRP price must hold above $1.83–$2.00 support to continue upside, analysts say. XRP (XRP) price displayed strength on May 7, rising 2% over the last 24 hours after news of possible US-China trade talks flipped investor sentiment.  XRP price remains above $2.00 at the time of writing, as several analysts highlight the key support levels the asset should hold for a sustainable recovery to new all-time highs. Whale accumulation supports bullish XRP view Certain indicators show that XRP’s ongoing price rise may not be just a short-term reaction to the positive macroeconomic news.  For instance, Santimen…

Payments behemoth Visa has invested in BVNK, a London-based startup focused on stablecoin payment infrastructure, signaling continued interest in digital asset innovation. According to a May 7 BVNK announcement, the startup “secured a strategic investment from Visa through their Visa Ventures arm.” Furthermore, while the company does not explain fully what it entails, it refers to the investment as “more than capital” and describes it as a partnership. The company’s CEO, Jesse Hemson-Struthers, wrote: “I’m particularly excited about what it means to partner with Visa—the original payments innovator. Their deep expertise in building global payment networks, combined with our stablecoin infrastructure, creates powerful possibilities for redefining how businesses operate in today’s digital ec…

In an industry filled with complexity, jargon and mistrust, women in Web3 say that the way to attract more women into the crypto space starts with clarity, education and community.  At the Blockchain Baddies side event during Token2049 in Dubai, women shared personal experiences of entering the Web3 world and why they believe more female participation is essential for the future of crypto. In interviews with Cointelegraph, community members said the path forward begins with simplifying technical concepts and fostering environments where women can learn and grow. Women in Web3 share experiences in the crypto space. Source: Cointelegraph From providing clarity to building skills  From simplifying technical language to creating safe spaces for learning, women in Web3 said that demystifying …

USD1, the US dollar stablecoin launched by the President Donald Trump-backed World Liberty Financial (WLFI), has become the seventh-largest stablecoin worldwide in just two months since its launch. WLFI’s snapshot vote for a USD1 airdrop proposal is underway, and USD1’s market capitalization has continued to climb. Launched in early March with a $3.5 million supply, USD1 has expanded into a market cap of $2.2 billion at the time of writing, leaving rival stablecoins First Digital USD (FDUSD), PayPal USD (PYUSD) and Tether Gold (XAUT) behind, according to data from CoinGecko. Top 10 stablecoins by market capitalization. Source: CoinGecko Although rising fast, the USD1 market cap is still far from the market value of major stablecoins like Tether’s USDt (USDT) and USDC (USDC), whose market c…

Cryptocurrency miner Diversified Energy quietly vacated a natural gas-powered crypto mining site in Elk County, Pennsylvania, reportedly leaving behind unplugged wells and regulatory violations. The site, known as Longhorn Pad A, was revived in 2022 after sitting dormant for nearly a decade when Diversified began using it to fuel on-site generators powering cryptocurrency mining computers, according to a report by the Erie Times-News. Per the report, the operation was launched without obtaining an air quality permit from the Pennsylvania Department of Environmental Protection (DEP). Though the company was later granted the permit in December 2023, a March 2025 inspection revealed that Diversified had already removed the mining infrastructure. Empty metallic sheds and missing production equ…

Bitcoin holders are becoming more comfortable borrowing against their crypto as market confidence grows, according to Seamus Rocca, the CEO of the Gibraltar-based private bank Xapo Bank.  In an interview at the Token2049 event in Dubai, Rocca told Cointelegraph that with Bitcoin (BTC) hovering around $95,000 and institutional adoption starting to catch on, the executive said the mood among investors shifted from short-term speculation to a more long-term outlook.  “I’m not sure that confidence would have been there three or four years ago,” Rocca told Cointelegraph. “But today, people are more comfortable to borrow against Bitcoin because we’re nowhere near the levels that would trigger liquidation.” On March 18, Xapo Bank launched a lending product that allows users to borrow US dollars u…

Key takeaways: Bitcoin gained 2% to $96,530 on May 7, fueled by US-China trade deal hopes. BTC price rises with $83.6 million in short liquidations, with open interest up 26% to $64.4 billion, signaling strong bullish momentum. A classic bullish reversal pattern is still in play, targeting BTC price at $100,000 and beyond. Bitcoin (BTC) is up today, rising over 3% in the last 24 hours to over $97,000 on May 7. Its daily trading volume has jumped 37% to $31.7 billion. BTC/USD daily chart. Source: Cointelegraph/TradingView Let’s take a look at the factors driving Bitcoin price up today. Bitcoin rises on hopes of a US-China trade deal Bitcoin briefly hit $97,700 during the early Asian trading hours on May 7, driven by optimism over potential US-China trade talks.  Disclosing plans to trav…

Several crypto-focused organizations — including Bitcoin (BTC) mining companies — are eyeing a US return, primarily driven by uncertain geopolitical tensions. Still, BTC miner Hive Digital Technologies is doubling down on the untapped potential of the Latin American market. In an exclusive interview with Cointelegraph, Hive Digital Technologies’ president and CEO, Aydin Kilic, said that Paraguay presents a compelling long-term opportunity equipped with “geopolitical stability, low-cost hydro energy, and a government open to foreign investment”. Picking up from where Bitfarms left off Hive acquired Bitfarms’ 200 megawatt (MW) Yguazú facility for $56 million in January. Phase 1 infrastructure of a 100 MW data center at the site was completed in April, supporting 5 EH/s of Application-Specifi…

Key takeaways: Inter Milan Fan Token jumped 10.5% after beating Barcelona, showing a direct price correlation with match outcomes. PSG and AFC fan tokens signal breakout patterns ahead of the Champions League semifinal. Crypto betting odds favor PSG over Inter Milan, influencing fan token trading volumes and short-term price setups. The Inter Milan Fan Token ($INTER) rallied sharply after Inter Milan’s 4-3 victory over Barcelona FC in the Champions League semifinal on May 6, rising nearly 10.50% on match day and maintaining gains at $1.19 as of May 7. Fan tokens are digital assets that holders, fans of a specific sports teams, clubs or players, own and derive value from.  INTER/USD daily price chart. Source: TradingView INTER’s price correlates with match outcomes Hourly price data sho…

Ethereum — the network that unleashed smart contracts on the world — moves on to the next chapter with today’s Pectra upgrade, but what does it mean? Pectra went live on the Ethereum mainnet at the start of epoch 364032, May 7, 2025, at about 10:00 am UTC. The three main Ethereum improvement proposals (EIPs) included are EIP-7702, EIP-7251 and EIP-7691. Ethereum Pectra Consensys announcement. Source: Consensys EIP-7702 allows externally owned accounts to act as smart contracts and cover gas expenses (transaction fees) and payments in tokens that are not Ether (ETH). EIP-7251 increases the validator staking limit from 32 ETH to 2,048 ETH, which makes operations for large stakers easier and simpler. Finally, EIP-7691 increases the number of data blobs per block, which allows for better layer…

What is Tornado Cash? Tornado Cash is a decentralized, non-custodial crypto mixer designed to enhance transaction privacy on public blockchains. It uses smart contracts and zero-knowledge (ZK) proofs to conceal the onchain link between the sender and receiver of a transaction. Launched by Roman Storm and Roman Semenov on Ethereum in 2019, Tornado Cash allows users to send and receive cryptocurrency anonymously, without exposing their wallet history. Unlike centralized mixers, Tornado Cash operates entirely onchain through immutable smart contracts, meaning no central party controls the funds.  When a user deposits crypto, such as Ether (ETH), Tornado Cash generates a cryptographic note, which the user can later use to withdraw the same amount to a …

Bhutan, known for investments in cryptocurrencies like Bitcoin, has launched a tourism crypto payment system in partnership with Binance Pay and DK Bank. The system allows Bhutan travelers with Binance accounts to pay for services like tickets, hotel stays, tour guides and other products using at least 100 different crypto assets, including Bitcoin (BTC), USDC (USDC) and Binance-backed BNB (BNB). The initiative also opens a payment gateway for businesses in Bhutan, enabling them to accept crypto payments through a QR code on a phone, according to an announcement by Binance on May 7. “This is more than a payment solution — it’s a commitment to innovation, inclusion, and convenience,” Damcho Rinzin, director of Bhutan’s tourism department, said. Benefits for small businesses in remote areas …

Despite the $1.4 billion lost in the recent Bybit hack, crypto companies have not changed their approach to cybersecurity, according to Hacken CEO Dyma Budorin.  In an interview with Cointelegraph at the Token2049 event in Dubai, Budorin said the industry continues to rely on limited measures such as bug bounties and penetration tests, rather than implementing comprehensive, layered security strategies: “Most of the projects think, ‘Okay, we did pentests. That’s enough. Maybe bug bounty. That’s enough.’ It’s not enough.” He said that crypto companies must go beyond these isolated security measures and adopt more layered approaches similar to those of traditional industries. These include supply-chain security, operational security and blockchain-specific security assessments.  “In big Web2…

Tether deployed its flagship stablecoin, USDt, on the Kaia blockchain as part of a broader collaboration with Line Next, the Web3 arm of Line, Japan’s popular messaging platform with more than 196 million monthly active users. The integration means USDt (USDT) will now be supported across Line’s messenger-based Mini DApp ecosystem and self-custodial wallet, enabling users to interact with stablecoins inside an interface they already use daily, Tether said in a May 7 announcement. Line users will be able to use USDt for in-app payments, cross-border transfers and decentralized finance (DeFi) activities. “Through LINE NEXT’s blockchain infrastructure, over 200 million LINE users will now have a straightforward way to engage with digital assets in everyday life,” Tether CEO Paolo Ardoino said…

Key points: Bitcoin and gold trade in lockstep on low timeframes as macro volatility triggers heighten. The Federal Reserve interest rate decision and news conference are just hours away. Market sentiment for rate cuts in 2025 decreases sharply ahead of the FOMC meeting. Bitcoin (BTC) saw a flash short-term trend change on May 7 as geopolitical triggers gave risk assets fresh volatility. BTC/USD 1-hour chart. Source: Cointelegraph/TradingView Bitcoin traders eye Fed for “tone changes” Data from Cointelegraph Markets Pro and TradingView showed an abrupt turnaround for BTC/USD after the pair dipped under $94,000 to set new May lows. The previous day’s Wall Street trading session set the stage for a return to strength, even as stocks finished lower. XAU/USD 4-hour chart. Source: Cointeleg…

Japan’s Metaplanet purchased an additional 555 Bitcoin as part of its aggressive accumulation strategy, bringing its total holdings to 5,555 BTC, valued at over $536 million at current prices. On May 7, the Tokyo-listed firm disclosed that it spent $53.4 million acquiring 555 Bitcoin (BTC) at an average price of $96,134. The company now holds 5,555 BTC, purchased for $481.5 million at an average price of $86,672 per Bitcoin, according to CEO Simon Gerovich. The company also announced the issuance of another $25 million in zero-coupon ordinary bonds to fund its ongoing BTC buys. Since early 2024, the firm has raised over 35 billion yen ($244 million) through zero-coupon bonds and stock acquisition rights via its partner, Evo Fund. The company’s proprietary key performance indicator, BTC Yie…

Movement Labs confirmed the termination of its co-founder, Rushi Manche, following controversy over a market maker deal that he brokered. Movement Labs made the announcement in a May 7 X post, stating it had “terminated Rushi Manche.” The project said it “will continue under a different leadership.” The post also alludes to upcoming governance changes. The termination follows Movement Labs announcing Manche’s suspension earlier this month, explaining that the “decision was made in light of ongoing events.” It also comes after Coinbase’s recent decision to suspend the Movement Network (MOVE) token, citing its failure to meet its listing standards. Source: Movement Related: Movement Network to buy back tokens with $38M recovered from rogue market maker Movement Labs launches Move Industries …

A hacker involved in the $4.67 million exploit of the decentralized finance lending protocol Voltage Finance in 2022 has moved some of the stolen Ether to Tornado Cash after a short hibernation.  Blockchain security firm CertiK said in a May 6 post to X that the 100 Ether (ETH), worth $182,783 at current prices, was moved from a different address initially used in the exploit but can be traced back to the hacker.   In March 2022, the exploiter took advantage of a “built-in callback function” in the ERC677 token standard and allowed them to drain the platform’s lending pool through a reentrancy attack, according to CertiK. Source: CertiK After the exploit, Voltage Finance reported that the hacker stole various stablecoins and other crypto, including USDC (USDC), Binance USD (BUSD), wrapped …

Key takeaways: Large Bitcoin holders have accumulated 81,338 BTC over the past six weeks, showing confidence in a future price uptrend. Wallets with less than 0.1 BTC sold around 290 BTC, indicating smaller retail investors are either panic selling or selling out of boredom.  Spot Bitcoin ETFs have seen $4.41 billion in inflows since March 26. While larger Bitcoin holders remain confident and continue accumulating the asset, data from a crypto analytics platform shows that smaller retail investors have been shedding BTC amid the asset’s prolonged consolidation below the $100,000 price level. The contrasting behavior between Bitcoin (BTC) whales and retail investors often signals that Bitcoin may be heading toward another upward trend, Santiment said in a May 6 X post.  Bitcoin smaller …

Investors have been piling into BlackRock’s spot Bitcoin exchange-traded fund for over three weeks straight, culminating in the asset’s run up to $97,000 on May 7. The BlackRock iShares Bitcoin Trust has seen 16 days of inflows for the spot BTC ETF, with a further 280 Bitcoin (BTC) or around $36 million piling into the fund on May 6, according to HODL15Capital.   The inflow streak was noted by ETF Store President Nate Geraci, who also observed on X that the fund was approaching $5 billion in new capital.  “I remember when naysayers didn’t think spot Bitcoin ETFs would take in $5 billion in total last year,” he added.  “IBIT alone has done this in a few weeks, more than a year after launch.” The BlackRock fund (IBIT) has seen around $4.7 billion in inflows since its last outflow day on Apri…

South Korea’s Democratic Party leader Lee Jae-myung has reportedly become the latest presidential candidate to promise the approval of spot crypto exchange-traded funds (ETFs) and other crypto-friendly measures, should he be elected. Lee announced his crypto promises on May 6 as part of a broader initiative to provide more investment opportunities for Korea’s youth, one of the main target demographics for the fast-approaching June 3 election. “I will create a safe investment environment so that young people can [build] assets and plan for the future,” The Korea Economic Daily (KED) quoted Lee as saying in Korean. He also promised the legalization of spot crypto ETFs, lower transaction fees, and more consumer protection measures. Lee’s Democratic Party of Korea is the favorite to win the pr…

Trump family-backed crypto platform World Liberty Financial (WLFI) is proposing to airdrop a small amount of its new US dollar-pegged stablecoin to reward early WLFI holders in a test of its airdrop mechanism. With over 99% of votes in favor of the proposal already, the airdrop will distribute a small amount of USD1 to eligible holders of the WLFI token, according to the May 6 proposal in the WLFI governance forum. “Testing the airdrop mechanism in a live setting is a necessary step to ensure smart contract functionality and readiness. This distribution also serves as a meaningful way to thank our earliest supporters and introduce them to USD1,” the proposal states.  “This will allow World Liberty Financial to validate the technical functionality of its airdrop system in a live environmen…

Coinbase has introduced a new payments protocol for online payments that enables stablecoin transfers over standard internet protocols and AI agents to transact autonomously.   On May 6, Coinbase announced that it is launching a protocol called x402 for instant stablecoin payments directly over the internet communication protocol HTTP (Hypertext Transfer Protocol). It allows Application Programming Interface (APIs), apps, and AI agents to transact seamlessly, “unlocking a faster, automated internet economy,” the firm stated.  Coinbase said that x402 “is fixing the internet’s first mistake.” The protocol resurrects the experimental HTTP 402 “Payment Required” status code to create a seamless payment system native to the internet. The firm noted that traditional payment rails, such as credit…

Key takeaways: Bitcoin must maintain above $95,000 to have a chance at retesting its $109,000 all-time high; failure to hold could lead to a deeper correction, crypto analysts warn. Several crypto analysts told Cointelegraph in March that Bitcoin may have a chance of reaching new all-time highs in June. The upcoming Federal Reserve decision on May 7 could influence Bitcoin’s price movement over the coming days. Bitcoin needs to continue to hold above the $95,000 level for a chance to climb back and retest its all-time high, or face an even deeper correction, crypto analysts say. It comes after several analysts told Cointelegraph earlier this year that June could be the month Bitcoin (BTC) reaches new all-time highs. “The $95,000 level — currently under consolidation — is a critical piv…

Members of the crypto community are circulating apparent “proof” that Zerebro developer Jeffy Yu faked his suicide as he promoted his new memecoin during a Pump.fun livestream on May 4. The belief appears to come from an unverified private letter supposedly sent by Yu to a Zerebro investor, trading activity linked to crypto wallets owned by Yu, and the removal of his obituary from Legacy.com. Others speculate that Yu used a tool to pass off a pre-edited video as if it were filmed in real-time during the Pump.fun livestream. Source: Hash The unverified letter from Yu to an early investor states that he deliberately created a livestream pretending to shoot himself as it was the only “viable exit” from persistent harassment, blackmail, threats and hate crimes. “Being fully doxxed has placed m…

US Democrat lawmakers have launched a multi-angle attack on President Donald Trump’s crypto ventures with two bills and a subcommittee inquiry aimed at cutting his ability to profit from the initiatives.    The Modern Emoluments and Malfeasance Enforcement Act, or the MEME Act, aims to prevent federal officials from using their position to profit from memecoins, Democrat Senator Chris Murphy said in a May 6 statement.  If passed, the MEME Act prohibits the president, vice president, members of Congress, senior executive branch officials, their spouses and children from issuing, sponsoring, or promoting a security, future, commodity, or digital asset, according to the bill’s description.  Today I’m introducing a bill - the MEME Act - to ban a President or Member of Congress from issuing a …

Anthropic launches web search API for Claude as Apple considers AI search alternatives to Google, signaling a major shift in how users discover information online.  ( 9 min )

Mistral AI is making a concerted push to lower the barriers to scalable, privacy-respecting AI adoption for modern enterprises.  ( 8 min )

Netflix unveiled its new TV experience that features generative AI search, AI-based recommendations and an enhanced design.  ( 6 min )

A new policy directive from the U.S. regulator of national banks says the institutions can also outsource crypto custody and execution to outside parties.  ( 25 min )

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Bailey, who advised President Donald Trump on crypto policy during his 2024 presidential campaign, is reportedly raising $300 million to buy bitcoin.  ( 24 min )

The brokerage firm is reportedly considering Arbitrum, Ethereum and Solana for the new platform.  ( 24 min )

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The combined company plans to stockpile Bitcoin and offer tax-free equity swaps to accredited holders.  ( 25 min )

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Vopni will be responsible for overseeing and executing the firm's institutional strategy.  ( 24 min )

On-chain data reveals rising confidence among both long- and short-term holders, with $99.9K flagged as a potential profit-taking zone.  ( 25 min )

The deal follows BVNK's $50 million fundraising round that included Haun Ventures, Coinbase Ventures and Tiger Global.  ( 25 min )

Key bearish indicators recently trapped bears on the wrong side of the market in a pattern observed in August-September 2024.  ( 25 min )

Your day-ahead look for May 7, 2025  ( 38 min )

The “mog/acc” is quickly gaining ground among everyone from Elon Musk to Garry Tan, a move that bumps the project’s visibility - and eventually prices.  ( 27 min )

The update aims to streamline staking, enhance wallet functionality, and improve overall efficiency.  ( 26 min )

IBIT's outperformance indicates institutions' confidence in bitcoin's long-term prospects despite the cryptocurrency's relatively dour price performance.  ( 24 min )

The Tokyo-based company earmarked the entire offering for EVO FUND only days after previously selling $25 million in bonds to the same buyer.  ( 23 min )

Market volatility may soar as a regional tussle between India and Pakistan intensifies and the U.S.-China trade war looms.  ( 26 min )

It has yet to name a replacement or outline next steps for governance restructuring.  ( 25 min )

Traders looking for cues on potential Fed-led moves in major tokens might want to see what implied volatility indices are saying.  ( 23 min )

Treasury Secretary Scott Bessent is headed to Switzerland for talks with Chinese representatives.  ( 22 min )

Building modern full-stack applications requires a strong grasp of various interconnected technologies. And what better way to learn than by creating a real-world project that mimics a widely used tool like Dropbox? That’s exactly what this new cours...  ( 4 min )

It is said that there are two different worlds in TypeScript that exist side by side: the type world and the value world. Consider this line of code: const firstName: string = 'Maynard'; While firstName and 'Maynard' live in the value world, string ...  ( 9 min )

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Big Tech’s appetite for energy is growing rapidly as adoption of AI accelerates. But just how much energy does even a single AI query use? And what does it mean for the climate? Join editor in chief Mat Honan, senior climate reporter Casey Crownhart, and AI reporter James O’Donnell for a conversation exploring AI’s energy…  ( 20 min )

Manufacturing is in a state of flux. From supply chain disruptions to rising costs, tougher environmental regulations, and a changing consumer market, the sector faces a series of competing challenges. But a new way of operating offers a way to tackle complexities head-on: adaptive production hardwires flexibility and resilience into the enterprise, drawing on powerful…  ( 18 min )

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. This patient’s Neuralink brain implant gets a boost from generative AI Last November, Bradford G. Smith got a brain implant from Elon Musk’s company Neuralink. The device, a set of thin wires attached…  ( 20 min )

Last November, Bradford G. Smith got a brain implant from Elon Musk’s company Neuralink. The device, a set of thin wires attached to a computer about the thickness of a few quarters that sits in his skull, lets him use his thoughts to move a computer pointer on a screen.  And by last week he…  ( 24 min )

Breathe has developed a suite of tools that it says helps automakers and others get the most out of their batteries.  ( 10 min )

Pictures allegedly showing off the ASUS ROG Ally 2, plus technical specifications, have made their way to the internet. Supposedly, the company will be launching two versions of the gaming handhelds. The (partial) hardware specs reveal that the ROG Ally 2 will be equipped with AMD’s latest Ryzen Z2 SoCs. More precisely, one will be […] The post Asus ROG Ally 2 Leaks; Features Up To AMD Ryzen Z2 Extreme, 64GB LPDDR5 RAM appeared first on Lowyat.NET.  ( 17 min )

The lush rainforests of Malaysian Borneo are witnessing a new era of connectivity, as CelcomDigi’s Skuad 5G team reaches a major milestone in their nationwide journey. In doing so, they are delivering Malaysia’s No. 1 Widest and Fastest Network to communities across Sabah and Sarawak. Beyond Signal Bars: A Mission Of Connection This initiative goes […] The post CelcomDigi’s Skuad 5G Brings Malaysia’s Widest and Fastest Network to Borneo’s Rainforests appeared first on Lowyat.NET.  ( 18 min )

In conjunction with this year’s Malaysia Auto Show (MAS 2025), Touch ’n Go (TnG) has unveiled a new limited-edition NFC card featuring Hot Wheels designs. The card is only available for purchase during the auto show for a price of RM25 starting from 9 to 15 May 2025, with only 3,000 units available. This is […] The post TnG Unveils Exclusive Hot Wheels NFC Card For MAS 2025 appeared first on Lowyat.NET.  ( 15 min )

Malaysia Airlines and Batik Air have suspended flights to and from Amritsar, India due to heightened tensions in the region. Both airlines have cited security and safety concerns as reasons for the cancellations, promising to monitor the situation closely. In addition to suspending flights between Kuala Lumpur and Amritsar, Malaysia Airlines had rerouted flights MH2 […] The post Malaysia Airlines and Batik Air Suspend, Cancel Flights Amid India-Pakistan Conflict appeared first on Lowyat.NET.  ( 16 min )

The Volvo XC70 is returning as the company’s first Range-Extended Plug-In Hybrid (RE-PHEV). The automaker claims that it will be able to provide up to 200km of pure CLTC electric range, meaning it will be available for in China first. Nevertheless, the automaker did mention that it is exploring the possibility of introducing it in […] The post Volvo Announces The XC70 As Its First Range-Extended PHEV appeared first on Lowyat.NET.  ( 16 min )

In conjunction with Hari Raya Aidiladha taking place next month, Keretapi Tanah Melayu Berhad (KTMB) has added a special train service to the East Coast. This was apparently done to accommodate travellers returning home for the religious holiday. According to KTMB’s statement today, the KTMB Ekspres Lambaian Aidiladha will have two scheduled services, with 436 […] The post KTMB Adds Train Service To East Coast For Hari Raya Aidiladha appeared first on Lowyat.NET.  ( 16 min )

Shopee has announced that it will be raising its SPayLater seller fee up to 4.5% from its current 3.5%. This change will take effect starting 8 May, and all completed orders from then on will be charged the new fee. This follows a relatively recent hike to sellers’ Transaction Fees which excludes SPayLater and credit […] The post Shopee To Impose 4.5% SPayLater Seller Fee Starting 8 May appeared first on Lowyat.NET.  ( 16 min )

Google is building a new hyperscale data centre in Port Dickson as part of its US$2 billion investment in Malaysia’s digital infrastructure. The project will be delivered in partnership with Malaysian engineering firm Gamuda Bhd, through its subsidiary Gamuda DC Infrastructure Sdn Bhd. As you may recall, Negeri Sembilan Menteri Besar Datuk Seri Amidudin Harun […] The post Google Expands Malaysian Data Centre Footprint With New Port Dickson Project appeared first on Lowyat.NET.  ( 17 min )

Bolt has officially announced that its ride-hailing service now includes toll fares into every ride, ensuring no surprise fees. It is the first e-hailing platform to do so, at least in Malaysia, where the norm is for drivers to manually input the toll fares after the ride is completed. With this new policy, what you […] The post Bolt Now Includes Tolls In Its Ride Fares appeared first on Lowyat.NET.  ( 15 min )

Back in 2019, Meta filed a lawsuit against NSO Group over the latter’s Pegasus spyware, which was used to target more than a thousand WhatsApp users in 20 countries, including journalists, human rights activists and diplomats. Now, a jury has ruled that the Israeli firm must pay Meta more than US$167 million (~RM707 million) in […] The post Meta Awarded Over US$167 Million In WhatsApp Case Against Israeli Firm appeared first on Lowyat.NET.  ( 16 min )

An alleged key visual of what is believed to be the render of the yet-to-launch Sony WH-1000XM6 has been leaked, giving us a first look at the successor of 2022’s WH-1000XM5. The leaked key visual was discovered on Reddit, where it is believed to have been posted first. The image is believed to have been […] The post Alleged Sony WH-1000XM6 Product Visual Leaks appeared first on Lowyat.NET.  ( 15 min )

Drone maker DJI has posted a teaser clip on its social medial channels, including X and YouTube, for an upcoming launch. Being a teaser, details from just the seven-second clip is scarce, but the most obvious takeaway is the camera system being shown in the second half. Said system consists of three cameras, with the […] The post DJI Teases Drone With Spinning Triple Camera; Launching 13 May appeared first on Lowyat.NET.  ( 16 min )

Electric vehicles (EVs) have become a growing trend in the automotive industry, with many Malaysians increasingly embracing the shift to cleaner mobility. However, recent posts on social media involving brands like BYD and Audi have sparked public concern about EV reliability and safety. On 1 May 2025, a BYD Atto 3 owner reported a troubling […] The post Owners Of BYD Atto 3, Audi e-tron GT Share Incidents Concerning Safety Of EV Vehicles appeared first on Lowyat.NET.  ( 17 min )

As previously teased following Chinese President Xi Jinping’s visit to Malaysia last month, China has confirmed in a statement that it will soon allow Malaysian travellers to stay in its country visa-free for up to 90 days, reciprocating Malaysia’s policy for Chinese tourists. This comes as the two countries recently signed MOUs that included a […] The post China To Soon Extend Visa-Free Stay For Malaysians To 90 Days appeared first on Lowyat.NET.  ( 15 min )

Samsung may launch its Galaxy Z Fold7 and Z Flip7 sometime in July this year, and as recently reported, its Z Flip7 FE as well. TechManiacs have now listed the apparent specs of the device, which seem to be quite alike to that of the Z Flip6. It is speculated that the Flip7 FE may […] The post Samsung Galaxy Z Flip7 FE Specs Leak, Rather Similar To Z Flip6 appeared first on Lowyat.NET.  ( 16 min )

NVIDIA has officially confirmed that the GeForce RTX 5060 will be available to gamers from 19 May onwards. The availability goes for both desktop and laptop GPU variants. The card was announced at the same as the more powerful Ti variant last month, and starts from US$299 (~RM1,266). Unlike its Ti counterpart, the card only […] The post NVIDIA Confirms 19 May As Launch Day For GeForce RTX 5060 GPUs appeared first on Lowyat.NET.  ( 15 min )

Microsoft has announced that it is updating the Windows 11 Start menu, in addition to introducing new AI features over the coming month. In a recent blog post, the company clarified that these upgrades will first be rolled out to Windows Insiders, with many of the AI upgrades being exclusive to Copilot+ PCs. The Start […] The post Microsoft Announces Windows 11 Start Menu Update appeared first on Lowyat.NET.  ( 16 min )

vivo recently launched its X200 Ultra and X200s smartphones in China. A new report now indicates that the brand is planning to unveil the X200 FE in India, possibly in July. The purported specs of the phone have also been leaked, detailing its supposed chipset, battery, and camera system, among others. The vivo X200 FE […] The post vivo X200 FE Reported Specs Leak; May Get Indian Launch In July appeared first on Lowyat.NET.  ( 16 min )

The Microsoft Surface devices, be it the 2-in-1 tablet or the laptops, come in all sorts of sizes, though the former tend to the the more compact while the latter more conventional in size. In case you wanted even more diminutive options for both, the company has answered your prayers, with the announcement of the […] The post Microsoft Announces 12-Inch Surface Pro, 13-Inch Surface Laptop appeared first on Lowyat.NET.  ( 17 min )

The Ministry of Finance (MOF) has issued a warning over a fraudulent message currently circulating on WhatsApp, claiming to offer RM200 under the Bantuan Sumbangan Asas Rahmah (SARA) 2025 scheme. The ministry clarified that the message and its accompanying link are fake. In a post on its official Facebook page, the MOF urged the public […] The post MOF Warns Of Fake SARA 2025 Aid Messages On WhatsApp appeared first on Lowyat.NET.  ( 15 min )

Samsung has announced a new Tap To Transfer feature for its Samsung Wallet app, which is its digital wallet platform. Similar to Apple’s Tap To Pay feature, it allows money transfers between two compatible phones, but instead of being limited to businesses, Samsung’s feature is being rolled out to regular users with peer-to-peer (P2P) transfers. […] The post Samsung Wallet Introduces Tap To Transfer Feature appeared first on Lowyat.NET.  ( 15 min )

Advanced Micro Devices Inc (AMD) plans to make Malaysia its strategic hub for advanced semiconductor packaging and design, with operations focused in Penang and Cyberjaya. Prime Minister Datuk Seri Anwar Ibrahim, speaking at an East Coast Rail Link (ECRL) event yesterday, confirmed the company’s intention and said the government would extend full support to expedite […] The post AMD To Establish Malaysia As Hub For Advanced Chip Packaging And Design appeared first on Lowyat.NET.  ( 16 min )

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In the fast-evolving world of web development, performance, flexibility, and ease of use are non-negotiable. Enter Hyperlane, a lightweight, high-performance HTTP server library crafted in Rust, designed to simplify and supercharge your network service development. Whether you're building modern APIs, real-time applications, or cross-platform services, Hyperlane delivers the tools you need with elegance and efficiency. Let’s dive into what makes Hyperlane a standout choice, explore its features, and see it in action with real code and performance data. Hyperlane is a Rust-based HTTP server library that blends simplicity with power. It handles the essentials—HTTP request parsing, response construction, and TCP communication—while offering advanced features like middleware, WebSocket, and Se…  ( 5 min )

The relationship between Gross Domestic Product (GDP) and stock market performance is a subject of considerable interest to economists, investors, and policy makers alike. GDP measures the total value of goods and services produced by a country, and it serves as an indicator of the health and growth of an economy. The stock market, on the other hand, reflects the collective value of publicly traded companies and serves as a platform for buying and selling shares. Both metrics are often used to gauge economic conditions, yet their relationship is more complex than a simple correlation. While there is a connection between GDP growth and stock market performance, this relationship is influenced by various factors, including investor sentiment, economic policies, and external events. In some c…  ( 7 min )

In this blog post, I'll walk through how I built a simple Agent-to-Agent (A2A) math service using Python. The A2A protocol is Google's initiative to standardize how AI agents communicate with each other, creating an interoperable ecosystem of specialized AI services. The Agent-to-Agent (A2A) protocol is designed to enable AI agents to communicate with each other using a standardized messaging format. This allows developers to create specialized agents that can work together, each handling specific tasks they're optimized for. Standardized communication between AI systems Ability to chain specialized services together Easier integration of AI capabilities into applications I created a basic A2A agent that performs a simple but useful function: summing numbers from a comma-separated list whi…  ( 6 min )

There was a time when software releases were slow and monolithic—but at least everything was in one place. Now, we move faster. But that speed? It comes at a cost. Today, we live in a world of microservices, APIs, and distributed everything. The architecture is elegant. The orchestration is powerful. But testing? That’s where things get tricky. As a quality engineering leader, I’ve seen firsthand how this complexity tests more than just code—it tests our assumptions about ownership, accountability, and what “done” really means. In a microservices ecosystem, a single user journey might hit a dozen services. Each is built, deployed, and owned by a different team. And while unit tests may pass with flying colors, it’s the integration points—those fragile handshakes between services—that often…  ( 4 min )

Introduction In Java, managing complex key structures dynamically is a common challenge, especially when dealing with API response times and performance issues. In your scenario, you're saving keys in a map formatted like Krishna/thota/date/x/y/z while supporting wildcard characters (*) to match various entries. However, this approach leads to performance overhead due to the necessity of comparing strings, which can be inefficient when handling over a million records. We’ll explore better data structures and solutions to enhance performance while allowing for the flexibility you need for matching. Understanding the Performance Issue You mentioned that your current implementation takes approximately 200 milliseconds when you have more than one million records. This degree of latency can aff…  ( 5 min )

When a small purple dragon leapt joyfully onto television screens in 1998, gaming felt simpler. Spyro's tale was charmingly clear-cut: dragons good, Gnorcs bad. Yet, as those early fans grew alongside the medium itself, uncomplicated childhood memories gave way to reflective curiosity. With maturity comes the realisation that even playful narratives can unwittingly reveal complex truths—sometimes challenging, always intriguing. Among Spyro's cast, no group invites this reconsideration quite like the Gnorcs. Originally depicted as brutish, green-skinned adversaries to vanquish without second thought, today they stir conversation far beyond simple nostalgia. Central to this renewed interrogation of Spyro's world is Gnasty Gnorc himself. Once an outright villain, his motivations now appear le…  ( 6 min )

Most teams spend hours documenting everything. Notion workspaces. Confluence pages. GitHub wikis. You name it. But here’s what happens: ☑️New hires still get stuck. ☑️Devs still ask questions that are, “Somewhere in the docs” and crucial context gets lost. This is the Documentation Paradox: The more you write, the harder it gets to find, trust, and maintain what actually matters. Conventional wisdom says, “Async teams need tons of docs!” But I’ll say: More docs often mean less clarity. Here’s why: First, there's the maintenance burden. Every line of documentation is a liability that needs updating as your codebase evolves. How many teams actually do that? Second, comprehensive documentation creates a false sense of security. Teams believe they're covered because it's in the docs somewhere. What you should do is treat documentation as a conversation, not an artifact. Use tools that make updating docs as easy as sending a message. Encourage annotations and questions directly in the documentation. And remember the 20/80 rule: 20% of your features generate 80% of questions. Focus your efforts there. The goal isn't to have everything documented – it's to have the right documentation that actually helps your team move faster. This is why every Rally session lives forever inside Jira No more sorting through old Slack threads. Every discussion stays tied to the task, so your team’s knowledge grows with the work—not in a dusty folder.  ( 3 min )

Today's question Create a simple React application called "Contact Form" that collects user information and displays it below upon submission. Solution In solving this problem, the first step is to check the boilerplate provided: import { useState } from "react"; import "./App.css"; import "h8k-components"; function App() { const [name, setName] = useState(""); const [email, setEmail] = useState(""); const [message, setMessage] = useState(""); const [submittedData, setSubmittedData] = useState(null); const [error, setError] = useState(""); const handleSubmit = (e) => { e.preventDefault(); // TODO: Add logic to validate inputs and display submitted data // HINT: You can use the setError function // HINT: You can use the setSubmittedData function as below …  ( 4 min )

In C#, there isn't a built-in method equivalent to Ruby's humanize for turning strings into a more natural format, but you can create functions to achieve this easily. In this article, we'll explore how to convert strings while following the two scenarios provided in your request: changing capitalization and formatting string cases to appear more human-friendly. Understanding the Humanization Process When we discuss 'humanizing' a string, we're typically referring to text transformation that makes it easier for humans to read or understand. This can involve adjusting capitalization, changing the case, or formatting text to look more polished and readable. Unlike Ruby, where the humanize function applies well-defined transformations, C# requires us to craft our own methods. Implementing a S…  ( 4 min )

Setting up a Laravel project using Docker has become an increasingly popular approach to streamline development processes and ensure consistent environment setups. In this guide, we'll walk you through the steps to set up a Laravel project with Docker in 2025, ensuring an efficient and smooth development experience. Docker provides a standardized environment for your Laravel applications, eliminating the "it works on my machine" problem. By using Docker, you can define your development and production environments with consistent configurations, making deployments more reliable and repeatable. Let's dive into the setup process! Before creating a Dockerized Laravel environment, ensure you have the following installed on your development machine: Docker: Download and install Docker Desktop …  ( 4 min )

Introduction When working with Rust and Diesel, you may encounter various issues, especially when performing count queries. In this article, we'll examine a specific error that arises from executing a count query using Diesel with PostgreSQL. The error message states, 'the trait bound i32: FromSql is not satisfied'. This indicates a type mismatch in your query resolution. Understanding the Error The error is primarily triggered because the Diesel ORM expects a specific data type from the SQL count result. Typically, when using the count function in a SQL query, the result is of type BigInt in PostgreSQL, which corresponds to i64 in Rust. However, your code attempts to return the result as an i32, leading to the compile error. Step-by-Step Solution Changing Return Type to i64 Th…  ( 4 min )

This is a submission for the Amazon Q Developer "Quack The Code" Challenge: Crushing the Command Line What I Built Demo Code Repository How I Used Amazon Q Developer  ( 2 min )

When working with CodeIgniter, you might want to utilize its query builder feature for better performance and security. For instance, let's consider the SQL query: SELECT * FROM questions WHERE course_id = 13; This query retrieves all records from the 'questions' table where the course_id is equal to 13. However, using raw SQL queries in CodeIgniter, as shown below, can lead to issues: $query2 = $this->db->query('SELECT * FROM questions WHERE course_id = 13', false); Why is This Query Problematic? Using this method can lead to potential SQL injection vulnerabilities, and it's not as efficient as using the CodeIgniter Query Builder. Additionally, the parameters need to be validated or sanitized especially when you’re dealing with user input. Using the Query Builder in CodeIgniter The Code…  ( 4 min )

Check out this Pen I made!  ( 2 min )

When working with neural networks in MATLAB, especially for tasks like semantic segmentation, it’s not uncommon to face challenges related to input data formats. One user recently encountered an issue with MATLAB's semanticseg function, which resulted in an error message indicating that the input data for a multiple input network must be a combined or transformed datastore. Understanding how to correctly structure your input data is crucial for successfully testing the performance of your trained model. Understanding the Error In this scenario, the user had a neural network designed to handle multiple inputs. However, upon attempting to test the network's performance with semanticseg, an error was thrown indicating a mismatch in the expected input format. MATLAB's documentation specifies t…  ( 4 min )

Now days we all are moving very fast in technology but in this fast forward world we mostly forgot that how important it is to maintain our privacy and stay safe on internet. Have you ever wondered how we can stay safe online from hackers. You would be amazed to know that in every 39 sec a cyber-attack happens. So now you can guess that next might be you and even me. To make myself updated and be a little smarter to stay safe from cyber threats I enrolled in the Cisco Network Academy’s "Introduction to Cybersecurity" course to get a solid grip on the fundamentals—and it didn’t disappoint. So, in today blog I will share my learnings to make you guys updated too. Let’s get stated with cyber security basics. Cybersecurity refers to the practice of protecting systems, networks, and data from d…  ( 5 min )

Buy Me a Coffee☕ *My post explains variable assignment in Python. *Memos: The reference of a list is stored in a variable. v1 and v2 have the same references of the same shallow list. v1 and v2 have the same references of the same deep list. #### Shallow list #### # ↓↓↓↓↓↓↓↓↓↓↓ ↓ v1 = ['a', 'b', ['c', 'd']] # Equivalent v2 = v1 # ↑↑↑↑↑↑↑↑↑↑ # v1 = v2 = ['a', 'b', ['c', 'd']] # Deep list print(v1, v2) # ['a', 'b', ['c', 'd']] ['a', 'b', ['c', 'd']] v2[1] = 'B' v2[2][0] = 'C' # ↓↓↓ ↓↓↓ ↓↓↓ ↓↓↓ print(v1, v2) # ['a', 'B', ['C', 'd']] ['a', 'B', ['C', 'd']] *Memos: copy() can be used for shallow copy. v1 and v2 have the different references of the different shallow lists. v1 and v2 have the same references of the…  ( 5 min )

Hey, Devs! 👋 I’m excited to announce the release of one-linear-validator, a minimalist and dependency-free JavaScript validation library that provides simple, one-liner functions for validating common data types like emails, phone numbers, URLs, hex colors, dates, and strong passwords. Why One-Linear-Validator? I created this package with the goal of providing an easy-to-use validation library that doesn't require complex setups or external dependencies. Whether you need to validate a user’s email, check the strength of a password, or confirm a valid hex color, one-linear-validator has got you covered. Key Features Phone Number Validation: Validate international phone numbers. URL Validation: Ensure URLs are properly formatted. Hex Color Validation: Verify if the input is a valid hex color code. Date Validation: Validate dates in the YYYY-MM-DD format. Strong Password Validation: Ensure the password meets certain strength criteria like minimum length, uppercase letters, numbers, and special characters. No Dependencies: The library is 100% dependency-free, ensuring that your project stays lightweight and fast. Installation npm install one-linear-validator Or with yarn: How to Use Email Validation: console.log(isEmail('example@example.com')); // { valid: true } Password Strength Check: const options = { console.log(isStrongPassword('P@ssw0rd', options)); // { valid: true } Phone Number Validation: console.log(isPhoneNumber('+1234567890')); // { valid: true } Hex Color Validation: console.log(isHexColor('#ff5733')); // { valid: true } Why Build This? It's lightweight, dependency-free, and solves a common problem that many developers face. Whether you're building a small project or working with large-scale applications, this library is simple to implement and offers consistent, reliable results. Contributing If you’d like to contribute to the project, feel free to fork the repository and create a pull request. If you encounter any bugs or have feature requests, please raise an issue on the GitHub repository.  ( 4 min )

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Liquid syntax error: Unknown tag 'static'  ( 2 min )

Transferring SPL tokens on the Solana blockchain using TypeScript can be an exciting project, but sometimes your code might not work as expected. If you’ve developed a TypeScript script aimed at moving SPL tokens, as referenced in the official Solana documentation, and it’s not functioning correctly, you’ve come to the right place. In this article, we will dive into your code, troubleshoot potential issues, and guide you toward a working solution. Understanding Your TypeScript Code Your code snippet appears to aim at transferring SPL tokens on the Solana mainnet. Your setup includes necessary imports, wallet initialization using secrets from environment variables, obtaining associated token accounts, and finally executing a transfer. Let’s break down the potential errors you might have enc…  ( 4 min )

The concept of a temporary View state in JavaScript Anthony Max ・ May 6 #webdev #javascript #programming #opensource  ( 2 min )

field in C# — The Next-Level Auto-Property Backing As C# continues to evolve toward cleaner, more expressive syntax, C# 13+ introduces the field contextual keyword — a feature that reduces boilerplate when defining auto-properties with custom accessors. If you're a .NET architect or an advanced C# developer aiming for precision and productivity, this post will guide you through: What is the field keyword? Why it matters for maintainability and clarity Examples showing traditional vs modern syntax Caveats around naming conflicts Best practices and use cases field Keyword? The field keyword is a contextual keyword in C# 13+ that refers to the compiler-synthesized backing field of an auto-implemented property. private string _msg; public string Message { get => _msg; set => _msg =…  ( 4 min )

Introducción: ¿Qué son las Capas de Cascada en CSS? Las capas de cascada (cascade layers) en CSS han sido introducidas para resolver uno de los problemas más complejos y persistentes en la escritura de estilos: los conflictos de especificidad. En este artículo exploraremos cuál es exactamente ese problema y cómo la regla @layer nos ofrece una solución eficaz y moderna. La regla @layer permite declarar estas capas de cascada, que funcionan de forma análoga a las capas en editores gráficos como Photoshop o GIMP: cada capa es un grupo independiente, pero en lugar de imágenes, gestionamos reglas CSS. El objetivo principal es claro: Organizar mejor el código. Evitar los problemas clásicos de especificidad. Reducir la necesidad de usar !important o sobreescribir selectores complejos. …  ( 10 min )

The concept of a temporary View state in JavaScript Anthony Max ・ May 6 #webdev #javascript #programming #opensource  ( 2 min )

Unlocking Profits: Transform Your Creativity with DIY Escape Room Ventures In recent years, escape rooms have soared in popularity, captivating the imagination of puzzle enthusiasts, team-building participants, and thrill-seekers alike. The concept is simple yet exciting: players are locked in a themed room and must solve puzzles to "escape" within a set time limit. As demand for unique and immersive experiences grows, there's a profitable niche for creative minds to explore the DIY escape room venture. Escape rooms are more than just a fun weekend activity; they're a booming industry. According to MarketWatch, the global escape room market was valued at approximately $9 billion in 2020, with expectations to grow exponentially. The rise in interest offers a lucrative opportunity for entr…  ( 4 min )

In today’s digital-first world, mobile applications and the Internet of Things (IoT) are revolutionizing traditional industries, including home cleaning and maid services. By integrating IoT into a mobile app for maid services, companies can significantly enhance efficiency, transparency, and customer satisfaction. In this blog post, we will explore the development of a mobile app tailored for a maid service business with IoT capabilities, including technical considerations and some useful code examples. We will also subtly incorporate local SEO phrases to keep our discussion grounded in real-world applications, all while staying compliant with Dev.to guidelines. A mobile app provides customers with an easy-to-use interface to schedule cleanings, manage preferences, monitor service history…  ( 5 min )

Dica de TI será uma série de posts com conteúdo sobre tecnologia. São posts curtos explicando alguns conceitos. Um tipo de dados representa as características de uma variável que determina que tipo de dados ela pode conter. Exemplo tipos de dados primitivos: Essas variáveis guardam valores. Exemplo: números, byte, short, int, long, float, double e boolean char. A aplicação guarda o endereço em memória e não o valor em si. Importantes casos são as arrays e os objetos. Exemplos Arrays, Objetos, Classes, String. Os tipos primitivos são predefinidos (já definidos) em Java. Tipos não primitivos são criados pelo programador e não são definidos. Tipos não primitivos podem ser usados para chamar métodos para realizar determinadas operações, enquanto tipos primitivos não podem. Um tipo primitivo sempre tem um valor, enquanto os tipos não primitivos podem ser null. Um tipo primitivo começa com uma letra minúscula, enquanto os tipos não primitivos começam com uma letra maiúscula. Exemplos de tipos não primitivos são Strings , Arrays , Classes, Interface , etc.  ( 3 min )

Sightful’s Spacetop for Windows is a $899 bundle (plus a $200/yr subscription after year one) that turns your compatible Intel-powered laptop and Xreal Air 2 Ultra smart glasses into a multi-monitor, spatial-computing workspace. Wired gave it a 9/10, praising its polished software, comfy glasses (with dimming for outdoor use) and the private, ultra-portable productivity it delivers—arguably edging out Apple’s Vision Pro at a fraction of the price. It’s not all sunshine, though: the setup looks a bit dorky, only works on select Intel CPUs for now, saps battery life in a hurry and the glasses’ field of view could be wider. Still, if you’ve been dreaming of carrying your home-office everywhere, Spacetop might finally make it happen.  ( 3 min )

The Browser Buffet: Serving Up Some Chrome-Coated Goodness Hey there, fellow code wranglers! 👋 Pull up a chair, grab your favorite caffeinated beverage, and let's chat about something that's been making my developer life way easier lately: Chrome extensions. Now, I know what you're thinking – "Oh great, another list of extensions. Yawn." But hold onto your keyboards, because these aren't just any extensions. These are the crème de la Chrome, the pixel-pushing powerhouses that'll turn your browser into a lean, mean, coding machine. Remember that time you spent hours debugging, only to realize you forgot a semicolon? Or when you had to switch between 50 tabs just to find that one Stack Overflow answer? Well, those days are about to become ancient history. Let's dive into 10 Chrome extensi…  ( 5 min )

Greetings to all! In this article, we will talk about a rather unusual topic, information about which for some reason I did not find, although it is quite useful in modern JavaScript frameworks and libraries for creating user interfaces, because, in some cases, applying the concept can help speed up work with the DOM several times. The name is conditional, but the essence is important. The term "usual state" refers to data that is saved directly due to the state managers, or due to the internal functionality of the framework or library. An example of the state in Vue.js: createApp({ setup() { return { count:ref(0); }; }, template: ` Click! Clicks: {{ count }} `, }).mount("#app"); In this case, …  ( 6 min )

Marc Andreessen—the “MarcGPT” behind a16z and the first popular web browser—loves AI so much he calls it “our Philosopher’s Stone” and has plowed cash into OpenAI and Elon Musk’s xAI. He sees it as a universal problem-solver that’ll eventually do every job on Earth. But there’s one role he insists AI will never master: venture capitalist. On the latest a16z podcast, he argued that when machines handle everything else, VC will remain “quite literally timeless”—the last field where humans still call the shots.  ( 3 min )

ChatGPT's hallucination problem is getting worse according to OpenAI's own tests and nobody understands why | PC Gamer With better reasoning ability comes even more of the wrong kind of robot dreams. pcgamer.com  ( 2 min )

Introduction If you are trying to implement a video playback functionality that toggles between play and pause states with a button click, you might encounter a few issues along the way. In this article, we’ll revisit your provided code and help you create a fully functional play/pause button for your video. It's crucial to ensure that the button changes its text accordingly while controlling the video playback effectively. Understanding the Problem From your description, it seems like you have a solid base but are facing issues with the video not playing upon pressing the button. This often happens due to overlapping function definitions or incorrect function calls in JavaScript. Let’s walk through the potential problems you may have encountered: Duplicate Function Declarations: You have …  ( 4 min )

Before we dive in, it's worth noting a recent branding change: the assistant formerly known as Codeium is now called Windsurf. The rebranding aims to reposition the tool under a new identity, though the transition has caused some confusion in the community, particularly among terminal-centric users. For clarity, throughout this article, we will refer to the tool as Windsurf, its current official name. Among terminal enthusiasts, NeoVim has established itself as a powerhouse of productivity. Combining lightness, extensibility, and full control over the development environment, it's become the go-to editor for developers who not only write code but carefully curate a streamlined workflow. In this context, the integration of artificial intelligence tools for real-time code suggestions—commonl…  ( 7 min )

Dissecting the HTTP Request — Line by Line Demystifying HTTP for Web Developers, Part 2 In Part 1 of this series, we traced the full journey of an HTTP request — from typing a URL in the browser, through DNS resolution and TCP handshakes, all the way to receiving the server’s response. But understanding the path a request travels is only half the story. To truly master HTTP, we now need to dissect the payload that actually moves across the wire: the HTTP request itself. Every interaction between a web client and a server begins with a carefully structured message — the request. It may look simple on the surface, but every line, header, and byte in that request carries meaning. If you’re building serious web applications, APIs, or even debugging flaky integrations, you can’t a…  ( 13 min )

Introduction Incorporating an MP3 audio player into a PHP script is a great way to enhance user experience on your website. Capturing playback time is particularly useful for tracking how long users engage with audio content. This article will guide you through the process of capturing the current playback value from an audio player implemented with HTML and integrating it into your PHP backend. Understanding the Issue You may be using an audio player in your PHP application and want to log how long the audio has been played by the user. This task usually involves a communication between the frontend (JavaScript) and the backend (PHP). Implementing the MP3 Audio Player Let’s look at a sample code that includes an MP3 audio player embedded within a PHP script. Below is a basic structure tha…  ( 4 min )

The flight 2035 is discontinued soon. If you have any code for flight 2035 please Change it or delete it. For a placeholder flight 4093 will be announced and flight 1035 sans is staying Thank you! (Update: we are discontinuing it at may 6  ( 2 min )

Intro Ever doomscroll your way into developer rage? Yeah, me too. So yesterday I was minding my own business (aka avoiding Jira) when I stumbled upon a blog where some dude proudly declared: “Just finished 100 Days CSS Challenge!! 🥳🔥💯” Cool flex, bro. But when I clicked in, expecting juicy breakdowns, clever hacks, or at least some trauma bonding... all I got was: copy-paste StackOverflow energy, and I felt like I’d just been catfished by a portfolio piece. So naturally, I did what any mentally unwell developer would do — I challenged myself to do 100 Days CSS in 10 Days. Because why suffer slowly when you can suffer FAST? This series is for my fellow caffeine-fueled, chaos-coded siblings who want to actually learn something — not just vibe check another tutorial. If you’re insane lik…  ( 8 min )

You can now import a file called PearLIXIn your code in Faceone to import a library. This runs on apps script JavaScript and it’s made with AI. Here is the code for installation: /** * PEARLIX - Universal Utility Library * Works in: Google Apps Script (GAS), Node.js, and Browser JS * @license MIT */ (function(global) { 'use strict'; // ====================== // 1. ENVIRONMENT DETECTION // ====================== const isGAS = typeof ScriptApp !== 'undefined'; const isNode = typeof process !== 'undefined' && process.versions && process.versions.node; const isBrowser = typeof window !== 'undefined'; // ====================== // 2. CROSS-PLATFORM UTILITIES // ====================== const Utils = { // Date formatting (works everywhere) formatDate: function(d…  ( 3 min )

Introduction When developing an iOS application using Flutter, you might come across the need to obfuscate your Dart code. Obfuscation can help protect your code from reverse engineering, making your app more secure. In this article, we'll address how to properly configure the extra_gen_snapshot_options_or_none flag in your Flutter project, particularly focusing on the iOS setup. Why Obfuscate Dart Code? Obfuscation of Dart code increases the protection of your intellectual property by making the source code harder to read and understand. This is especially crucial for apps that might handle sensitive data or proprietary algorithms. As Flutter's official documentation suggests, adding the right flags during the build process is vital. Step-by-Step Guide to Obfuscate Dart Code for iOS To ob…  ( 4 min )

The Periodic Sync API for Background Data Sync: A Comprehensive Exploration Introduction As web applications advance and users demand richer experiences, the synchronization of data in the background becomes increasingly essential. This is especially true for progressive web applications (PWAs) that aim to function offline or in low-connectivity environments. The Periodic Sync API is a powerful tool designed to facilitate efficient data management by allowing developers to synchronize data at regular intervals. This article offers an exhaustive exploration of the Periodic Sync API—its historical context, technical intricacies, practical implementations, and potential pitfalls. The Periodic Sync API is a response to the growing need for reliable data synchronization in web appl…  ( 7 min )

In the fast-evolving world of web development, staying ahead means mastering the right tools—and Vue.js is one of the most powerful, flexible, and beginner-friendly frameworks out there. Whether you're just starting your coding journey or looking to level up your frontend skills, Vue.js offers an elegant way to build dynamic, high-performance web applications. But here’s the thing: learning Vue.js the right way can save you months of frustration. That’s where Mastering Vue.js comes in—a comprehensive ebook designed to take you from basics to advanced concepts with clarity and confidence. Vue.js has gained massive popularity for good reason. Unlike some frameworks that overwhelm beginners with complexity, Vue strikes the perfect balance between simplicity and power. Here’s why developer…  ( 4 min )

Originally published at ssojet Image courtesy of Cybersecurity News The SonicBoom attack chain, which allows remote attackers to bypass authentication and seize administrative control over enterprise appliances, has been identified as a critical threat. This multi-stage exploit primarily targets SonicWall Secure Mobile Access (SMA) and Commvault backup solutions by leveraging vulnerabilities such as CVE-2024-38475 and CVE-2023-44221. Attackers exploit endpoints that lack authentication checks. In the Commvault on-premise edition, sensitive functions can be accessed through the authSkipRules.xml file, allowing unauthenticated users to execute backend operations. Attackers send crafted POST requests to vulnerable endpoints, manipulating parameters to download files from their servers. This …  ( 4 min )

Avant de plonger dans le monde de Linux, il est crucial de comprendre l'infrastructure matérielle qui le soutient. Du processeur à l'alimentation, chaque composant joue un rôle essentiel dans le bon fonctionnement du système. Le matériel constitue la fondation sur laquelle repose toute installation logicielle. Linux, en tant que système d'exploitation puissant et flexible, interagit en permanence avec le matériel pour allouer les ressources, gérer les processus et garantir la stabilité. Dans cet article, vous apprendrez à identifier et maîtriser les éléments matériels pour tirer le meilleur parti de votre distribution Linux, notamment Debian. Vous découvrirez pourquoi la connaissance du matériel est indispensable à l’optimisation des performances, à la sécurité et à la pérennité de vot…  ( 6 min )

Introduction I was trying to search my some free tool that can these 2 things. Run the Timer with Given minutes Keep Screen WakeUp when timer is This time helps me to stay focus and time-bound any task which I want perform. For ex - I want to write this article in 1 hour then it helps me to stay focused during that 1 hour and remaining time helps me to stay motivated. I wasn't able to find any such tool which free. There are many tools which have timer like Pomodoro etc. But for wake-up screen feature come with paid subscription. I don't need any analytics like how time for any particular day I was focused like that. So, I decided to build it by myself in React and use wake-up screen api of browser to leverage the wake-up functionality. This is deployed here - we can use it free of co…  ( 4 min )

As a WordPress user, discovering that you have 19 different CSS files can be quite overwhelming. The concerns about performance are valid; loading too many files can slow down your website significantly. So, can you simply combine all your CSS selectors into one general file? Let’s dive into this topic and explore the best approach to optimize your WordPress site. Why Too Many CSS Files Can Slow Down Your Website Having multiple CSS files means that the browser has to make many requests to the server to load all those stylesheets. Each request adds latency, which impacts your page load speed. From an SEO perspective, page speed is crucial as it affects user experience and, consequently, your search engine ranking. Thus, it’s essential to eliminate excess CSS files. Steps to Combine Your CS…  ( 4 min )

🛠️ Bootstrapping a NestJS App & Understanding App Structure ✅ Getting Started with nest new todoApp We create a new NestJS project using the CLI: nest new todoApp This sets up a clean TypeScript backend with: A modular structure TypeScript out of the box Preconfigured build and test tools After generating the app, you’ll see this: src/ ├── app.controller.ts ├── app.module.ts ├── app.service.ts ├── main.ts main.ts – The Entry Point import { NestFactory } from '@nestjs/core'; import { AppModule } from './app.module'; async function bootstrap() { const app = await NestFactory.create(AppModule); await app.listen(process.env.PORT ?? 3000); } bootstrap(); NestFactory? NestFactory is a helper class that bootstraps the NestJS application. Under the hood, it sets u…  ( 4 min )

In this post, I test how Mistral's Codestral, the model specifically trained to generate code, compares to the Mistral's Le Chat, the general AI chat. For my experiment, I use the Royal Game of Ur, an ancient Babylonian game that I already implemented using Le Chat. At least in my experiment, Codestral's performance is, frankly, disappointing. While it produces code that follows a certain architecture, the code quality is low. In fact, it even generates a statement of the form a = foo() where a has a different type from what foo() returns. Read on for more details. After the same prompt as with Le Chat, Codestral's response is: To implement the Royal Game of Ur in Python, we need to define several components: Game Board: Represent the board and the special squares. Game Pieces: Represent …  ( 8 min )

# The Trend (2025 Data) dart_growth = 112 # % YoY increase typescript_decline = 18 # % satisfaction drop flutter_adoption = 42 # % of new cross-platform apps // Dart's stateful hot reload void updateUI() { setState(() => counter++); // Instant update } vs TypeScript's 3-5 second refresh cycles 68% of devs cite this as their #1 frustration (2025 JS Survey) // Classic TypeScript complexity type RecursivePartial = { [P in keyof T]?: RecursivePartial }; Dart wins with: ✅ Java-like simplicity ✅ Sound null safety ✅ No "type gymnastics" Metric Flutter (Dart) React Native (TS) Startup 0.8s 2.3s Memory 185MB 410MB FPS 120 55 Source: Mobile Framework Report 2025 Stay with TypeScript if: You're web-focused (Angular/React) Your team knows TS well You need Node.js compatibility Choose Dart if: Cross-platform is your goal Dev productivity is crucial You want single-codebase apps Pro Tip: Try Dart for your next internal tool before committing to big projects. Not for web apps, but it's leading for mobile/desktop. No, but Flutter Web is now production-ready. Focused on WASM, not competing with Dart. Server-side (though improving). 🔗 Dart vs TS Feature Matrix 🔗 Flutter Performance Guide 🔗 In-Depth Comparison Discussion: Have you tried Dart in production? What's been your experience with TypeScript complexity? Let's chat below! 👇  ( 3 min )

Introduction If you're trying to scrape specific links from a website using Dart and the Flutter web_scraper package, you're in the right place! Many developers face challenges when attempting to parse HTML and extract the information they need. In this article, we'll address the common issue of receiving a null result when trying to scrape a hyperlink from a webpage. Understanding the Task The goal here is to scrape the following hyperlink from the sample HTML provided: This is the way it goes again again ) tag nested within an tag, and we want to extract the href attribute of that anchor tag. Why Might You Be Getting a Null Result? On…  ( 4 min )

Cyber threats are evolving fast, and artificial intelligence (AI) is now playing a major role in phishing attacks. These attacks, where hackers try to trick people into revealing sensitive information, are becoming more advanced. Did you know? In 2023, over 60% of phishing attacks used AI tools to mimic human writing styles, making scams harder to spot. As artificial intelligence (AI) grows smarter, cybercriminals are weaponizing it to launch sneaky, personalized phishing attacks. But here’s the big question: Can these AI tricks fool even cybersecurity pros? Let’s break it down. What Makes AI-Powered Phishing Different? Poor grammar or spelling mistakes. Can AI Outsmart Cybersecurity Experts? Hyper-Personalized Attacks How Cybersecurity Experts Fight Back? AI Detectors: Tools like Darktrace scan emails for AI-generated text. How to Protect Yourself Slow Down: Phishing preys on panic. Check URLs before clicking. The battle between hackers and cybersecurity experts is ongoing, but one thing is clear AI is changing the game for both sides.  ( 4 min )

When managing background processes or queue workers in a production environment, Supervisor is often the go-to process control system. But if you’ve ever worked with Supervisor on a Linux server, you've likely come across these two commands: sudo service supervisor restart && sudo supervisorctl restart [program_name] They might look similar at a glance — both contain the word restart — but they operate at very different levels and are used in very different situations. Let’s break down what each command does, when to use it, and what to avoid in a production environment. 🔍 1. sudo service supervisor restart ✅ What it does This command restarts the Supervisor daemon itself — not just the programs it manages. Think of it as turning Supervisor completely off and then back on. When you run …  ( 4 min )

Cloud-Native: Are You Paying for What You Use… or for What You Provision? Mr. Stone ・ May 6 #cloudnative #finops #architecture #microservices  ( 2 min )

Everyone’s in the cloud. Stacks have migrated. Infrastructure is containerized. CI/CD pipelines are green. But behind the wave of “cloudification”, one question lingers: Have we really changed the way we think? Because on the surface, everything looks modern. But underneath? ⏱️ Services running 24/7 💤 Containers sitting idle, waiting for traffic that never comes 💸 Bills growing, even when no one clicks “deploy” And in every retro, every finance meeting, the same old line: “The cloud is expensive.” But is it really the cloud that’s expensive? Or is it… The quiet luxury of feeding CPUs that are just bored? Let’s be honest. Cloud-native isn’t Docker. It’s not Kubernetes. It’s not Terraform, or some magic mix of YAML, containers, and CI/CD. Those are tools. Powerful ones. But tools. Clo…  ( 5 min )

Introduction: So You Want Your LLM to Stop Guessing Everyone’s buzzing about Retrieval-Augmented Generation (RAG) like it’s the second coming of AI engineering. And honestly? It kinda is. Your large language model is excellent at confidently making things up—because it doesn’t actually know anything beyond whatever data it was last trained on (hello, 2023). That’s where RAG comes in: bolting on real, external knowledge so your LLM stops hallucinating and starts reasoning. But here’s the thing: knowledge isn’t just about facts. It’s about how things connect. And when relationships matter, you don’t want a flat file or a relational torture device. You want a graph. Enter the graph database. Specifically: Memgraph—a real-time, in-memory graph database that feels like it was built by actual…  ( 5 min )

When your backend team is building microservices, your frontend folks are stitching together Vue and React components, and your DevOps crew is piping CI/CD pipelines — who makes sure all of this actually solves a business problem cohesively? Enter: Solution Architecture. mid-level architecture layer that connects strategic intentions (Enterprise Architecture) with ground-level execution (Technical Architecture). It’s where abstract goals become tangible systems. Is Solution Architecture? In plain terms, Solution Architecture is the practice of designing systems that solve a business problem. But not just any system — systems that are: Feasible Scalable Aligned with business goals Clear enough for developers to build Safe enough for stakeholders to bet on Imagine a company wants to laun…  ( 5 min )

The Rise of AI Agents: How Autonomous Tools are Revolutionizing Our Workplace 🤖🚀 Get ahead of the curve with autonomous tools! Discover how AI agents change the way we work. Are you ready for the future? Learn how AI agents transform today's workplace and increase productivity. Dive into our latest blog post now! 💻🔥 Meta Description: Explore the impact of AI agents on modern businesses & teams. Find out how they boost efficiency and revolutionize daily tasks. Read more: link Introduction Examples of AI Agents Today* Streamlined Communication Enhanced Decision Making Increased Productivity Will AI Agents Replace Human Jobs? FAQs About AI Agents Conclusion Internal Linking Suggestions Artificial Intelligence has become one of the hottest topics within the last decade, changing various…  ( 5 min )

Introduction Hover effects are a popular way to enhance user experience on websites, allowing crucial information to be revealed contextually. If you want to display a hidden description when a user hovers over an image, you are in the right place. In this article, we’ll cover how to effectively show a hidden description using CSS, addressing common issues you may encounter along the way. Understanding the Issue It can be frustrating to see that your hidden description is not appearing as expected when hovering over an image. This often happens due to incorrect CSS properties, improper HTML structure, or because of conflicts with JavaScript functionalities you may have implemented. The CSS code provided in the query seems close to the solution but needs a few adjustments. How to Display Hi…  ( 4 min )

Introduction In today's digital age, the financial world is undergoing a significant transformation. One of the most groundbreaking developments is asset tokenization, which involves converting real-world assets like real estate, stocks, or commodities into digital tokens on a blockchain. This process offers numerous benefits, including increased liquidity, faster transactions, and broader access to investment opportunities. However, with these advancements come challenges, particularly in ensuring that these digital transactions comply with existing laws and regulations. This is where smart contracts come into play. Smart contracts are self-executing computer programs that automatically enforce the terms of an agreement. They can be programmed to ensure that every tokenized asset transact…  ( 6 min )

Nowadays, cloud adoption is no longer a choice; it's a necessity. However, while cloud computing brings speed and flexibility, managing cloud costs can often feel like a challenge. This is where understanding the benefits of cloud TCO (Total Cost of Ownership) becomes crucial. Cloud TCO, or Total Cost of Ownership in the cloud, refers to the complete financial estimate of running cloud infrastructure over time. It doesn't just include your monthly cloud bill but also covers hidden costs like software licenses, data transfers, storage, maintenance, labor, and downtime. By calculating cloud TCO, businesses can see the full picture of their cloud spending and make better budgeting decisions. Many companies mistakenly focus only on upfront pricing models when choosing cloud solutions. However…  ( 6 min )

The architecture of business technology stands at a pivotal moment of change, one that few organisations have fully recognised. The traditional public API, for a long time the bedrock of modern software integration, is finding its dominance challenged. As AI transforms business operations, two emerging protocols are reshaping how organisations expose their data and capabilities: the Model Context Protocol (MCP) and the Agent-to-Agent (A2A) protocol. This shift isn't merely a technical curiosity, it represents a fundamental reimagining of how businesses connect with AI systems and how these systems interact with each other. While APIs aren't disappearing, their role is being dramatically redefined. For companies seeking competitive advantage in an AI-powered future, understanding and strate…  ( 8 min )

In this article, we will explore how to dynamically transform a table in SQL where object keys become column names and their values populate corresponding columns. This scenario is common for database tasks involving JSON-like structures, particularly in systems like Snowflake. By utilizing advanced SQL techniques, you can simplify data manipulation and achieve a transformed view of your data without explicitly naming each key. Understanding the Problem The need to pivot object keys arises when you have a table with a column storing semi-structured data types like objects. In our case, we have a table objects_to_pivot where the attributes column contains various object keys that might not be consistent across rows. The challenge is to convert these dynamic object keys into fixed column nam…  ( 5 min )

When building systems that handle money, there’s no room for approximation. A minor rounding error or a misplaced use of floating-point arithmetic can lead to inconsistencies, broken user trust, or even financial loss. Despite the importance, many systems today still rely on flawed approaches, usually stemming from a lack of clarity around how decimal precision, rounding, and accumulation behave in real-world software environments. In this article, we’ll discuss the common problems in financial calculations, walk through best practices for dealing with them, and introduce a pragmatic solution that simplifies implementation without compromising on correctness. Languages like PHP provide floats and doubles for numerical operations, but these are binary representations that can’t accurately e…  ( 5 min )

Hi there! I'm Shrijith Venkatrama, founder of Hexmos. Right now, I’m building LiveAPI, a first of its kind tool for helping you automatically index API endpoints across all your repositories. LiveAPI helps you discover, understand and use APIs in large tech infrastructures with ease. Tree-Sitter is a powerful parsing library that lets you analyze and manipulate code like a seasoned compiler engineer. Its Python bindings, available via the tree-sitter package, make it accessible for developers to experiment with syntax trees, traverse code structures, and even build tools like linters or formatters. This post dives deep into using Tree-Sitter’s Python APIs, with practical examples to get you started. We’ll cover everything from setup to advanced features like pattern matching, with complet…  ( 7 min )

In the first and second parts, we focused on creating two different patterns for handling data flow in React. EventTarget is the foundation of the browser’s event system. addEventListener, removeEventListener, and dispatchEvent. Many core Web APIs including DOM elements like , , , as well as document and window inherit from EventTarget. When we attach an event handler to a DOM element—like in the picture above—we’re actually subscribing to that element through one of its event channels. In this case: The button is the publisher (or emitter) The callback function passed to addEventListener is the subscriber (or listener) So when a user clicks the button, the button emits a 'click' event, and all registered listeners for that event type are notified and executed. So with…  ( 5 min )

I’m a product owner, guiding a team building a collaboration app for remote workers. Last quarter, we rushed a feature—real-time document editing—without thorough testing. It launched buggy, crashing for users with large files. Clients churned, and our team’s morale tanked. Testing isn’t just about finding bugs—it’s about enabling us to push boundaries. In April 2025, software testing drives innovation, giving us confidence to experiment and deliver bold features. This isn’t a technical deep-dive or buzzword parade—it’s my story of how testing fuels progress, shared for professionals who want to innovate without breaking things. Testing is often seen as a bug hunt, but it’s so much more. It’s the engine that powers bold ideas, protects user trust, and keeps teams moving fast. Our app’s cra…  ( 7 min )

If you go back to the first talk ever given on webhooks, it opens on the command-line. Specifically the Unix shell, focusing on one of its defining features: pipes. The idea was that pipes brought a new level of compositionality to programs, and webhooks could bring a new level of compositionality to web apps. Perhaps you could say I was trying to bring the spirit of Unix to the web. With this last release of Wanix, I'm at it again. This time with the successor to Unix, a little known operating system called Plan 9 from Bell Labs. Plan 9 has been on my mind for quite a while. In fact, around the time of that first talk on webhooks, the team behind Unix and Plan 9 was being re-assembled to create the Go programming language. I pretty instantly fell in love with the Go worldview, which turns…  ( 5 min )

Are you exploring Translation Memory (TM) for language translation and want a more comprehensive understanding of this technology? We get it– we’ve been there. As translation industry veterans focused on developing productivity software, we know the difference a good translation memory tool can make in the translation process. So it’s understandable you would want to leverage it for your team. If you’re unclear on how it’s applicable to your team, just imagine this: you (or a colleague) are in the middle of translating content, only to realize you’re redoing work that could have been automated. Translation memory solves this inefficiency by storing and reusing past translations, saving both time and resources. In this post you’ll learn more about what translation memory is, its benefits, h…  ( 11 min )

O que é o Padrão Decorator? O Decorator é um padrão de projeto estrutural que permite adicionar comportamentos adicionais a um objeto de forma dinâmica. Ele permite que você encadeie funcionalidades (como validação, construção, logging e outras) em um fluxo sequencial, sem modificar a estrutura original da classe. Isso possibilita adicionar ou remover comportamentos com facilidade, mantendo o código mais flexível e desacoplado. Em resumo, o Decorator cria uma cadeia de responsabilidades onde cada classe pode adicionar sua funcionalidade à sequência, sem afetar as outras. Imagina que você precisa realizar várias validações (como validar o usuário, estoque e status), mas não quer que elas fiquem fortemente acopladas. O objetivo é poder adicionar, remover ou reorganizar facilmente as valida…  ( 4 min )

👋 Introduction Azure OpenAI Service gives developers access to cutting-edge AI models like GPT-4 via secure cloud infrastructure. But integrating these models into real-world applications isn’t always smooth sailing, especially when choosing between JavaScript and Python. In this blog, we’ll cover: The top 5 challenges developers face while building an Azure OpenAI chatbot Practical solutions to fix them And why JavaScript might be the winning choice for web-based chatbot development ⚠️ Common Challenges in Azure OpenAI Chatbot Development 1️⃣ Library Compatibility Issues 🔧 Problem: openai >= 1.0.0? You might run into breaking changes, for example, openai.ChatCompletion.create is deprecated in the newer versions. ✅ Solution: Always install the latest stable Openai library. Check the offi…  ( 4 min )

TS2327: Property '{0}' is optional in type '{1}' but required in type '{2}' TypeScript has quickly become a favorite tool for developers building scalable and maintainable JavaScript applications. At its core, TypeScript is a superset of JavaScript—it builds upon JavaScript by introducing static typing, as well as other modern programming concepts that make your code safer and easier to manage. Static typing means that developers can explicitly define the types of data (like string, number, or boolean) their variables and functions work with, catching potential errors during development instead of at runtime. If you're new to TypeScript, or want to sharpen your existing skills, consider following our blog or using advanced learning tools like gpteach.us to explore how modern AI tools ca…  ( 6 min )

TS2333: 'this' cannot be referenced in constructor arguments TypeScript is a statically-typed superset of JavaScript designed to add type safety and developer-friendly features to JavaScript code. A "superset" means that TypeScript builds on JavaScript by adding new functionalities, while still allowing you to write plain JavaScript. One of its most powerful features is the introduction of types (a system to define constraints on the structure of your data). This is immensely beneficial when working in large projects to detect errors at compile time, ensuring your codebase is reliable and maintainable. Types in TypeScript help us describe the shape of an object, function, or data. For instance, when you define a function or an object, you can explicitly specify what inputs it expects and…  ( 6 min )

TS2332: 'this' cannot be referenced in current location TypeScript is a popular open-source programming language developed by Microsoft. It’s often referred to as a superset of JavaScript because it builds on JavaScript by adding optional static types. These types allow developers to define the structure and behavior of variables, functions, and objects, making programs easier to debug and maintain. TypeScript compiles to plain JavaScript for execution, which means it seamlessly integrates with existing JavaScript projects. Simply put, types in TypeScript are what allow you to specify the kind of data a variable or function should handle. For instance, you can declare that a variable must always hold a number, a string, or a custom structure (like objects or classes). By catching errors …  ( 6 min )

TS2331: 'this' cannot be referenced in a module or namespace body TypeScript is a powerful language that builds upon JavaScript by adding optional static typing. By introducing "types" (representations of data such as strings, numbers, and objects, among others), TypeScript allows developers to write more predictable and maintainable code. It’s often referred to as a superset (a language that extends the features of another) of JavaScript, meaning all valid JavaScript code is also valid TypeScript code. A major advantage of TypeScript is its ability to catch errors during development, before the code is executed. However, while it enhances safety and boosts productivity, developers may sometimes encounter compiler errors that seem confusing at first. One such error is TS2331: 'this' ca…  ( 5 min )

TS2329: Index signature for type '{0}' is missing in type '{1}' TypeScript is a strongly typed superset of JavaScript. This means that it builds on top of JavaScript by adding an optional type system (a way to define and enforce the kinds of data being used in your code). TypeScript is a powerful language designed to catch errors early during development, making your JavaScript codebases more robust and maintainable. In TypeScript, "types" play a central role. A type defines the shape of data, specifying what kind of data will be stored, its expected structure, and the operations you can perform on it. For example, string, number, boolean, and object are common types used in TypeScript. Types ensure that your code only operates on the data it was designed to handle; if it doesn’t match t…  ( 6 min )

TS1433: Decorators may not be applied to 'this' parameters TypeScript is a strongly-typed programming language that builds on JavaScript by adding static types (data classifications, such as string or number). TypeScript helps developers write safer, more predictable code because it allows the compiler to catch potential bugs during the development process, before the code is executed. Essentially, TypeScript acts as a typed superset of JavaScript, meaning it includes all the features of JavaScript while adding new functionalities, mainly focused on type safety. If you're interested in learning more about TypeScript or exploring how AI tools like GPTeach can enhance your coding skills, make sure to subscribe to our blog or join our learning community! Before diving into TypeScript-specif…  ( 5 min )

TS1434: Unexpected keyword or identifier TypeScript is a strongly typed programming language that builds on JavaScript, adding static types to the language. It is often referred to as a superset of JavaScript because it includes everything JavaScript offers while introducing additional features such as types, interfaces, and enums, which help developers catch errors at compile time rather than runtime. In TypeScript, "types" are a mechanism to define the shape, structure, or behavior of data in your programs, ensuring that your code operates exactly as intended. If you're interested in understanding and mastering TypeScript—or using AI tools to streamline your learning—consider subscribing to our blog. Additionally, tools like GPTeach can be a great way to learn coding concepts faster a…  ( 5 min )

Introduction to Tokenization In recent years, the world of finance has seen significant advancements, especially with the introduction of blockchain technology. One of the most exciting developments in this space is the concept of tokenization, particularly the tokenization of U.S. equities (stocks). But what exactly does tokenization mean, and why is it so important for U.S. equities? What is Tokenization? Tokenization refers to the process of converting ownership of an asset, such as stocks, real estate, or artwork, into a digital token on a blockchain. This token represents ownership or a portion of ownership of the underlying asset. In the case of U.S. equities, tokenization means turning traditional company shares into digital tokens that are recorded on a blockchain ledger. Blockcha…  ( 8 min )

How I built VidSabio.com by combining multiple LLMs into a robust processing pipeline I recently launched VidSabio, a platform that transforms ordinary videos into structured, interactive learning experiences — automatically. 🎥➡️📚 But this didn’t come together overnight. At first, I thought a single LLM could handle everything: analyze the video, transcribe it, generate quizzes, build a course. Easy, right? Wrong. It turned out the real breakthrough came when I stopped looking for one model to do it all — and instead built a pipeline of specialized steps, each powered by the best tool for that specific task. Here’s the high-level breakdown of how it works: User uploads a video Video is processed through a multi-step pipeline: Frame extraction (FFmpeg) Audio transcription (Google Speech-to-Text) Visual analysis (Gemini / GPT-4 Vision) Content summarization + topic generation (Gemini Pro) Course structure generation (GPT-4) Interactivity injection (quizzes, accordions, etc.) Final course can be edited and exported as SCORM or HTML This is all built using Vue 3, Firebase, and various LLMs (OpenAI + Gemini) stitched together through Cloud Functions. By distributing the heavy lifting across multiple LLMs and APIs, I was able to: Improve accuracy Scale more efficiently Debug and retry isolated steps Customize outputs based on step-level feedback Frontend: Vue 3 + Tailwind Backend: Firebase Functions + Firestore + Storage AI: GPT-4.1, Gemini Pro, Whisper, Google Speech-to-Text Analytics: PostHog Export: SCORM, HTML Here's a stylized diagram of the flow: (Insert your HappyAlien-styled image here) This was built with plenty of detours, dead ends, and "aha" moments. If you're building with LLMs, I encourage you to explore multi-model orchestration — it might be the key to your next breakthrough. Check it out: https://vidsabio.com Feel free to reach out if you’re curious or building something similar!  ( 3 min )

Hey DEV community! I just launched a side project I’ve been tinkering with: GitVisualize It lets you paste in any public GitHub repo URL, and it’ll generate a visual representation of that project using OpenAI’s gpt-image-1 model — all based on the repo’s README content. Takes a GitHub repo URL Pulls the README Feeds it to an AI image model Displays the generated image alongside project metadata Adds it to a public gallery You can even choose the image style you want: Conceptual & Techy Infographic Abstract & Minimalist Direct & Clear It’s built with Vue 3 + Tailwind, uses Supabase for storage and data, and everything runs through a lightweight backend on Render. I love browsing GitHub, and I wondered: “What would this project look like if it were a picture?” So I built GitVisualize as a fun experiment in combining AI, dev culture, and a bit of creativity. Some of the results are surprisingly expressive. Frontend: Vue 3 + Tailwind Backend: Node/Express (Render) AI: OpenAI gpt-image-1 Storage/DB: Supabase Design direction: Lighthearted “Happy Alien” aesthetic 🛸 ➡️ https://gitvisualize-web.onrender.com/ Paste a repo, pick a style, and see what AI dreams up! I’d love feedback, ideas, or feature suggestions. James Kingsley – HappyAlien.ai #buildinpublic #sideproject #ai #webdev #openai #supabase #vue #showdev  ( 3 min )

A piece of feedback that reshaped how I think about conviction, consensus, and presence when you're the most senior person in the room. Originally published at mustafatorun.me A few years ago, I wrote a design document outlining a few different options. It was for a group more experienced than me—not in the domain, but in the industry. I knew the problem well. I had done the work. But still, I softened my position. I showed the tradeoffs, invited discussion, and held back from saying with confidence, “This is the direction I believe we should take.” In a pre-review, someone I trusted — someone more experienced than me — called it out. The document lacked conviction. It read like I was asking the group to decide for me. They reminded me that I was the expert in this domain — not them. What …  ( 4 min )

Abstract This blog post provides an in-depth exploration of open source developer patronage, a funding model that sustains free and innovative software projects. It details the key concepts, benefits, and challenges of this model while exploring its history, core features, real-world use cases, and future outlook. Emphasizing technical clarity and accessibility, the article integrates insights from various sources, including sustainable funding for open source, open source developer patronage benefits, and corporate sponsorship models. Additional perspectives from community platforms like GitHub Sponsors and Open Collective are also discussed, along with commentary from industry experts on platforms such as Dev.to. This holistic view aims to demystify the funding mechanisms that drive op…  ( 9 min )

Souce code Keeping tabs on your competitors or your own brand pages is crucial — changes in pricing, content, or job openings can have a direct impact on your strategy. This blog shows how to monitor any public webpage for updates using: ✅ Python ✅ Streamlit ✅ Slack for alerts ✅ Olostep API for web scraping How to detect pricing updates, new jobs, copy changes, new articles/pages, logos, and more How to use Olostep’s scraping API to retrieve website content How to compare two content versions and find changes How to notify your team via Slack when a change is detected How to visualize and interact with the app using Streamlit 🔧 Step 1: Install Dependencies Start by installing the necessary packages: pip install streamlit requests python-dotenv slack_sdk difflib You’ll a…  ( 4 min )

In this day and age, mobile apps are the norm. They’re seen as a critical part of how we communicate, transact, work, and stay informed. But with the growing complexity of mobile ecosystems—spanning countless device types, OS versions, screen sizes, and user interactions—ensuring consistent performance and functionality across all platforms has become a serious challenge. This is where mobile app testing frameworks come in. You see, the right tool can help teams accelerate releases, maintain quality, and scale efficiently—while the wrong one can slow everything down. Sure, Appium has long been a go-to solution for mobile test automation. But it’s not without its limitations, especially as testing needs become more dynamic and AI-driven approaches emerge. In this article, we’ll dive into Ap…  ( 8 min )

You’ve been forced to maintain a poorly written legacy app. Spaghetti code, no tests, and every new feature breaks two existing ones. Team morale is at rock bottom. New features take forever to ship. Regression bugs are constant. You gather your arguments and head to management. You: We need time to refactor. Management: What are you talking about? You: Let us refactor. We’ll ship faster, with fewer bugs, and engineers won’t want to quit. I can do it. Management: ...Okay. Now comes the hard part. Are you going to deliver on your promises? Or end up behind schedule and still stuck with a spaghetti codebase? While large-scale refactoring depends on many factors like team alignment, technical constraints, and timing; there’s one powerful technique I’ve used successfully in production to de…  ( 8 min )

In this article, we will explore how to update a local notification every second with a timer in Swift, as well as address common questions related to this practice. The goal is to ensure your users receive timely updates without exhausting their patience or Apple’s guidelines on notifications. Understanding Local Notifications in iOS Local notifications are used to send alerts to users within your app. They serve various purposes, from reminding users about events to providing real-time updates. To configure this feature, you'll primarily work with the UserNotifications framework. In this case, we're particularly interested in updating notifications dynamically. Updating a Local Notification Every Second Updating a notification every second can be achieved using a timer in conjunction wit…  ( 4 min )

Welcome to this week's Top 7, where the DEV editorial team handpicks their favorite posts from the previous week. Congrats to all the authors that made it onto the list 👏 LangChain4J musings, six months after Nicolas Fränkel ・ May 1 #java #langchain4j #mcp #llm @nfrankel highlights the the ups and downs of integrating Model Context Protocol with LangChain4J. XYZ% of Code is Now Written by AI... Who Cares? Maxim Saplin ・ May 1 #ai #softwareengineering #coding #programming @maximsaplin challenges AI code generation claims by tech CEOs, sharing their experience where they ultimately deleted 70% of AI-generated code and emphasizing that software development involves much more than just writing code. Welcome Sury - The fastest schem…  ( 4 min )

In the dynamic realm of software development, ensuring the quality and reliability of applications is paramount. Manual testing has long been a cornerstone in this endeavor, offering a human-centric approach to identifying and resolving issues. As technology advances, particularly with the integration of Artificial Intelligence (AI), the landscape of manual testing is undergoing significant transformation. This blog delves into common manual testing techniques, explores specific methodologies like Boundary Value Analysis and Decision Table Testing, and examines the future trajectory of manual testing in the AI era. 1) Common Manual Testing Techniques a. Black Box Testing b. White Box Testing c. Exploratory Testing d. Regression Testing e. Usability Testing Boundary Value Analysis (BVA) Bou…  ( 4 min )

Abstract In this post, we explore the essential role that open source developer grants play in nurturing innovation and sustainability in the software community. We cover the history, core concepts, practical applications, challenges, and future trends. With useful insights, structured data, and curated links—including those from GitHub Sponsors, Mozilla MOSS, Open Collective, and authoritative dev.to posts—readers will gain a comprehensive understanding of how financial support through grants drives open source projects to success. Open source projects have long been the backbone of modern software development, powering systems that range from small utilities to large-scale enterprise applications. Despite their broad usage and indispensable value, many contributors face considerable ch…  ( 8 min )

I recently completed Scrimba’s Learn JavaScript course, and it’s been an incredible journey! Whether you're new to coding or refining your skills, this course is packed with hands-on projects that solidify concepts in a fun way. What I Learned Before starting the Learn JavaScript course, I knew nothing about the basics or deeper concepts like the DOM, event handling, and async programming. Scrimba's interactive environment made learning super engaging, allowing me to code alongside the tutorials. Some standout topics I grasped: ✅ DOM Manipulation – Making web pages dynamic with .querySelector() and .addEventListener(). ✅ Functions & Scope – Understanding closures made coding more efficient. ✅ Async JavaScript – Learning fetch() and promises finally made API handling feel natural! Now, I …  ( 3 min )

Why Learning to Code is So Damn Hard Rachel Moser for The Odin Project ・ Mar 16 #webdev #programming #theodinproject  ( 2 min )

If you’ve started learning JavaScript, you’ve probably worked with arrays — those magical lists that hold multiple values. But knowing how to use arrays effectively means understanding the array functions that JavaScript gives us. Let’s break down the most powerful and commonly used array functions that every developer should know. An array is a special variable in JavaScript that can hold more than one value at a time: const fruits = ['apple', 'banana', 'cherry']; .push() – Add to the End fruits.push('mango'); console.log(fruits); // ['apple', 'banana', 'cherry', 'mango'] .pop() – Remove from the End fruits.pop(); console.log(fruits); // ['apple', 'banana', 'cherry'] .shift() – Remove from the Start fruits.shift(); console.log(fruits); // ['banana', 'cherry'] .unshift()…  ( 4 min )

In this article, I'll discuss: What Content-Type: stream+json is How to handle stream+json responses with PHP The sample code is fully open source and available here: 👉 GitHub Repository If you have Docker Compose installed on your machine, you can run the code without installing anything extra. Before we dive into coding, let's quickly explore why stream+json exists. Often, you need to send large arrays of JSON via APIs. You could send this large array from the server all at once, but when PHP receives it, PHP loads everything into memory. While this method works, it can cause issues such as: High memory consumption Risk of timeout ⏳ How to solve these problems? 💡Solution: Content-Type: stream+json To tackle these issues, the stream+json content type is used. For this content type, t…  ( 6 min )

Hello Guys, This is my little effort to share Web Development knowledge through Social Media.⚛️ Ping me any comments or suggestions I could work upon in upcoming posts✍️ https://www.instagram.com/share/p/_r4sioQMU  ( 2 min )

MongoDB is used for its strength in managing online transaction processing (OLTP) with a document model that naturally aligns with domain-specific transactions and their access patterns. In addition to these capabilities, MongoDB supports advanced search techniques through its Atlas Search index, based on Apache Lucene. This can be used for near-real-time analytics and, combined with aggregation pipeline, add some online analytical processing (OLAP) capabilities. Thanks to the document model, this analytics capability doesn't require a different data structure and enables MongoDB to execute hybrid transactional and analytical (HTAP) workloads efficiently, as demonstrated in this article with an example from a healthcare domain. Traditional relational databases employ a complex query optimi…  ( 15 min )

Introduction In this article, we'll explore how to decrypt cookie values retrieved from Google Chrome using C#. If you've stumbled upon encrypted cookies in your code and need a way to decrypt these values effectively, you're in the right place. This guide aims to provide a comprehensive understanding of the decryption process while using C#. Understanding the Issue When accessing cookies stored by Google Chrome, it is common to encounter encrypted values. The cookies are stored in a SQLite database, and the encrypted values can pose a challenge when you need to retrieve the actual data. Chrome uses a specific encryption mechanism that relies on Windows Data Protection API (DPAPI) for Windows systems. Therefore, to decrypt the cookies, you must understand this encryption approach. Step-by-…  ( 5 min )

To install docker on the Fedora/Centos/RedHat/Oracle Linux OS and to grant it sudo privileges, follow these instructions: # install docker sudo dnf -y install dnf-plugins-core sudo dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo sudo dnf install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin sudo systemctl enable docker.service # make docker sudo sudo groupadd docker sudo usermod -aG docker $USER sudo systemctl restart docker Making docker part of the sudo group allows you to use docker commands like docker ps without needing to add sudo at the beginning. The information provided on this channel/article/story is solely intended for informational purposes and cannot be used as a part of any contractual agreement. The content does not guarantee the delivery of any material, code, or functionality, and should not be the sole basis for making purchasing decisions. The postings on this site are my own and do not necessarily reflect the views or work of Oracle or Mythics, LLC. This work is licensed under a Creative Commons Attribution 4.0 International License.  ( 3 min )

$50 masterpiece in an $80 industry. Cost ≠ Quality - Imgur Discover the magic of the internet at Imgur, a community powered entertainment destination. Lift your spirits with funny jokes, trending memes, entertaining gifs, inspiring stories, viral videos, and so much more from users. imgur.com  ( 2 min )

Ozempic and Wegovy ingredient may reverse signs of liver disease The diabetes and weight loss drug semaglutide reversed liver scarring and inflammation. It’s among several drugs in the works for the condition MASH. sciencenews.org  ( 3 min )

Mathematician Finds Solution to One of The Oldest Problems in Algebra : ScienceAlert Solving one of the oldest algebra problems isn't a bad claim to fame, and it's a claim Norman Wildberger can now make: The mathematician has solved what are known as higher-degree polynomial equations, which have been puzzling experts for nearly 200 years. sciencealert.com  ( 3 min )

AI-Fueled Spiritual Delusions Are Destroying Human Relationships Marriages and families are falling apart as people are sucked into fantasy worlds of spiritual prophecy by AI tools like OpenAI's ChatGPT rollingstone.com  ( 3 min )

OpenAI abandons plan to become a for-profit company | The Verge The maker of ChatGPT is giving up on becoming a normal company. theverge.com  ( 3 min )

Abstract This post explores how open source developer financial support and community networks are powering innovation in blockchain, NFTs, and decentralized finance (DeFi). We discuss historical context, the key concepts behind sustainable funding models, and real-world applications. Emphasizing transparency, governance, and technical integration, we delve into innovative funding mechanisms such as sponsorship platforms, crowdfunding, and blockchain tokenization. With practical examples, challenges, and future outlooks, readers will gain insights into how industry stakeholders—from developers to investors—can nurture a thriving and secure open source ecosystem. The world of open source software is evolving rapidly, and with the rise of blockchain, NFT marketplaces, and DeFi platforms, f…  ( 10 min )

Check out this Pen I made!  ( 2 min )

🚀 Why GitLab CI/CD Over Jenkins and GitHub Actions? Feature GitLab CI/CD Jenkins GitHub Actions Integrated UI ✅ Built-in ❌ Plugin-based ✅ Built-in Auto DevOps ✅ Native support ❌ Manual ❌ Kubernetes Deployment ✅ First-class ✅ With plugins ✅ Beta level Security (Secrets, SAST, DAST) ✅ Built-in ❌ Manual config ⚠️ External Runners Management ✅ Docker/Machine/K8s ✅ Nodes ✅ Hosted/self-hosted Everything in one place (version control + CI/CD) Great for GitOps and K8s-based workflows Easy syntax, strong security model No plugin hell like Jenkins 📁 Pipeline Basics '# Comments' # This job builds the project build: script: - echo "Compiling..." stages stages: - build - test - deploy stage test: stage: test script: echo "Running tests" scr…  ( 4 min )

When working with APIs, we often encounter data in formats that do not match our application's preferred coding style. For instance, if you're using TypeScript and Vue.js, you might receive data in snake_case from an API but prefer to work with camelCase throughout your application. The good news is that you can easily transform this data without losing type safety. Let's delve into how you can achieve that with the help of interfaces and utility types in TypeScript. Understanding the Problem When you define an interface such as MergedReviewDetails, you structure your data according to your application's needs. An example of this could be: export interface MergedReviewDetails { parentReview: Mmcid; childReviews: Mmcid[]; } However, the API might return data with properties in snake_ca…  ( 4 min )

In the ever-expanding universe of cloud computing, AWS reigns supreme. As the undisputed market leader, its infrastructure services power countless businesses worldwide. This dominance fuels an insatiable demand for skilled professionals who can design, implement, and manage sophisticated network configurations within the AWS ecosystem. If you're looking to carve out a niche as a top-tier cloud networking expert, the AWS Advanced Networking – Specialty (ANS-C01) certification might be your golden ticket. But is this notoriously tough certification truly worth the effort? Let's break it down. The AWS Certified Advanced Networking – Specialty is not for the faint of heart. It's an expert-level certification designed for seasoned IT professionals who architect and manage complex network syste…  ( 6 min )

🎓 I just earned the "Software Engineering Essentials" certificate from IBM! I'm excited to share that I’ve completed the Software Engineering Essentials course as part of the IBM Full Stack Software Developer Professional Certificate on Coursera. 📜 Here's my certificate: 🔗 View Certificate PDF on GitHub This course gave me a solid understanding of: Software development lifecycle Agile methodology Git and GitHub basics Industry-level software practices I'm excited to continue building more skills as I complete the rest of the specialization! SoftwareEngineering #IBMCertificate #Coursera #FullStack  ( 3 min )

Introduction Passing parameters from ASP.NET MVC page models to TypeScript functions can be tricky, especially when incorporating dynamic values such as token, url, and redirectUrl. In this guide, we will explore how to accomplish this effectively, ensuring that we maintain optimal coding practices. Understanding the Basics When working with TypeScript and ASP.NET MVC, it is crucial to understand how data flows between the server-side (C# code) and client-side (TypeScript/VBScript/JavaScript code). The Link.ts you provided defines an interface LinkConfig and an asynchronous function postData. This function needs to be called with correctly structured parameters that are passed from your Razor pages. Step 1: Setting Up the Razor Page Model In your Razor pages, extract the token, URL, and re…  ( 4 min )

Handling file uploads is a common feature in modern web applications. Whether you're building a profile system, a document portal, or an image gallery, you'll likely need to upload files to a server. In this blog, you’ll learn how to use Multer (a popular Node.js middleware) to handle file uploads from a React.js frontend. Let’s build a simple file upload app with React.js on the frontend and Node.js/Express on the backend using Multer. React.js (Frontend) Node.js + Express (Backend) Multer (Middleware for file uploads) Axios (For HTTP requests) Render or Vercel (for deployment, optional) Multer is a middleware for handling multipart/form-data, which is used to upload files. It makes handling file uploads in Express simple and customizable. file-upload-app/ ├── backend/ │ ├── uploads/ │ …  ( 4 min )

Originally published on Medium. ✍️ Introduction At IBM, I led the transformation of one such platform: the Cognitive Support Platform (CSP). Originally built as a monolithic, Salesforce-native application, it had outgrown its architecture. We rebuilt it from the ground up into a modular, event-driven, cloud-native system infused with AI. The results were real and measurable: ✅ 70% increase in system availability ✅ 90%+ reduction in AI inference costs ✅ 80% improvement in platform security ✅ 70% boost in developer productivity In this article, I’ll share the architectural strategies, DevOps patterns, and AI integration principles that made this transformation successful and scalable. 🏗️ Background: The Challenge We faced critical bottlenecks that limited innovation and scalability: Difficu…  ( 6 min )

In the world of corporate security, not all breaches involve sophisticated hacking tools—some simply walk through the front door. Tailgating, a subtle yet dangerous form of intrusion, happens when an unauthorized person gains access to a restricted area by following closely behind someone who is authorized. It's a tactic that relies less on technology and more on exploiting human behavior. Attackers often masquerade as employees, contractors, or delivery workers. They may carry packages, wear uniforms, or claim to have forgotten their access badge—all to lower suspicion. Once inside, these individuals can do far more than just roam the premises. They might access critical systems, plant malicious software, or steal sensitive equipment. Pretending to be a colleague and asking someone to hol…  ( 4 min )

In the era of AI-driven workflow automation, combining n8n’s visual orchestration platform with OpenAI’s cutting-edge language models unlocks unprecedented possibilities. CometAPI—a newly launched AI model aggregation platform—addresses this need by unifying access to over 500 models under a single, consistent API interface. CometAPI promises ultra‑high concurrency, low‑latency responses, and simplified billing through a serverless architecture designed for enterprise‑scale workloads. Concurrently, n8n continues to cement its position as a fair‑code, source‑available workflow automation tool, offering hundreds of prebuilt nodes and a versatile HTTP Request node that empowers users to integrate virtually any RESTful service—including CometAPI—into visual workflows with minimal effort. Comet…  ( 6 min )

The Pain of Missing Env Vars We've all been there: deploying a Node.js application only to have it crash immediately (or worse, subtly misbehave) because a crucial environment variable like DATABASE_URL was missing, empty, or malformed. Debugging configuration issues after deployment is frustrating and time-consuming. Manually checking process.env properties everywhere is tedious and error-prone. What if you could guarantee your application's required environment variables are present and valid before any of your core application logic runs? What if you could get full type safety for your process.env object? schema-env v2.1 That's exactly why I built schema-env! It's a lightweight Node.js library that loads your standard .env files, merges them with process.env, and validates the resul…  ( 5 min )

GPT-Image‑1 represents a significant milestone in the evolution of multimodal AI, combining advanced natural language understanding with robust image generation and editing capabilities. Unveiled by OpenAI in late April 2025, it empowers developers and creators to produce, manipulate, and refine visual content through simple text prompts or image inputs. This article dives deep into how GPT-Image‑1 works, exploring its architecture, capabilities, integrations, and the latest developments shaping its adoption and impact. GPT-Image‑1 is the first dedicated image-centric model in OpenAI’s GPT lineup, released via the OpenAI API as a state‑of‑the‑art image generation system. Unlike specialized models such as DALL·E 2 or DALL·E 3, GPT‑Image‑1 is natively multimodal—it processes both text and im…  ( 7 min )

It was a regular evening debug session. My code was working, but something about it just felt off. I was looping over a list—like always. for i in range(len(my_list)): value = my_list[i] # Do something with value and i Nothing wrong, right? Except... I was starting to hate reading my own code. range(len(...)). Too much manual indexing. 👀 The Realization for i, value in enumerate(my_list): # Do something with i and value Wait... what? No range(len(...))? No messy indexing? ✅ Cleaner 🧠 Why it works: enumerate() is a built-in Python function that returns both the index and the value of items in an iterable—in one shot. It’s like your loop suddenly gained superpowers. 💡 Bonus Tip: for i, val in enumerate(my_list, start=1): print(f"Item {i}: {val}") Perfect for user-facing counters. No more +1 hacks. 🚫 Never Again... No more range(len(...)) unless I really need it. Now, it’s all enumerate(), all day. ✨ Moral of the Story: If you're reaching for range(len(...)), stop and ask yourself— What would enumerate() do? 😎  ( 3 min )

When working with Lumerical FDTD simulations, access to specific fields from the results of a far-field projection monitor might sometimes be challenging, especially when it comes to field names with spaces. In your case, you're able to access standard fields like E2 and Es easily: farfield = getresult("monitor", "farfield"); E2 = farfield.E2; Es = farfield.Es; However, when it comes to the field "Ep vs angle", an error arises. This can happen due to the space in the field name, making direct access using dot notation invalid. Understanding the Structure of the Farfield Object The farfield object typically contains several fields, including E2, Es, and multiple arrays or matrices concerning angles and wavelengths. The fields you can access directly using dot notation are designed to be id…  ( 4 min )

About I was writing a program in go, where I was calling a function,which takes an existing slice, modifies it and returns it back.Then I had a print statement that prints that slice. did not assign the return value of the function call,which is the modified slice,to the old slice variable.In Rust or in some other languages,the compiler will yell at us if we leave the return values of a function call without assigning them. go compiler will not give an error if we leave return values of a function call. So, always look for the function signature before calling the function.  ( 3 min )

In November 2023, the internet trembled when OpenAI’s leadership imploded. Overnight, one of the most powerful AI systems in the world—ChatGPT—was at the mercy of a centralized boardroom battle. For billions of users and developers, it was a stark reminder: centralized power in artificial intelligence isn’t just a technical issue, it’s a social risk. What if critical AI infrastructure wasn’t vulnerable to a single point of control? What if the world’s most powerful models couldn’t be turned off, censored, or hijacked? Welcome to the world of Decentralized AI. "Centralized AI is a castle built on sand. Decentralized AI is a city built by its citizens." As a developer and researcher in Nairobi, I learned this lesson the hard way. In mid-2023, I was building an AI-powered voice assistant for …  ( 6 min )

As your Markdown-based knowledge base grows, it becomes harder to manage without a clear structure. Categorizing your content into folders and using simple metadata makes your system scalable, readable, and maintainable — all while staying lightweight. Group your Markdown files into categories using folders: docs/ ├── guides/ │ ├── setup.md │ └── deployment.md ├── faq/ │ ├── general.md │ └── troubleshooting.md ├── references/ │ └── api.md You can use folder names like guides, faq, or references as logical categories when generating UI elements or menus. Add YAML frontmatter at the top of your Markdown files for more control: --- title: "Setup Guide" category: "Guides" tags: ["installation", "setup"] --- Use a frontmatter parser (like gray-matter in Node or custom regex in JS) t…  ( 4 min )

Introduction When working with third-party SDKs that leverage Jetpack Compose, developers can often run into issues that only appear in the final APK. In this article, we will explore a specific case of a NoSuchMethodError that arises during navigation to a Compose-based screen of a third-party SDK. This problem can be particularly frustrating, as it does not occur when running the app straight from Android Studio, but instead manifests when generating a debug APK via the command line. Understanding the Issue The problem at hand is encapsulated by the error message: java.lang.NoSuchMethodError: No static method slideIntoContainer(...) in class androidx.compose.animation.AnimatedContentTransitionScope. This error typically indicates that the compiler is unable to find a specific method at r…  ( 4 min )

"If you can't explain something to a first-year student, then you haven't really understood." —Richard Feynman This is one of my favorite quotes. It touches on something I see in the best engineers I've ever worked with, and something missing from many others. Something that's frustratingly illusive in the world of software engineering. A principle valued by most everyone, but executed by few. What is this trait possessed by the very best in our industry, you ask? What is it that great engineers do that sets them apart from the rest? Great engineers build complex systems by writing simple code. Let's cut to the chase: if you're writing code that takes your colleagues 20 minutes, two cups of coffee, and a string of "What the F%&#s" to understand, you're doing it wrong. Period. If you can't …  ( 5 min )

Some stats about a project are always interesting. There used to be an IntelliJ plugin offering exactly that, but unfortunately, it seems like it is not actively maintained any longer. A quick and elegant solution on Macs and Linux devices is running the following command from your project root: find . -name '*.' | xargs wc -l  ( 2 min )

mA fast, searchable knowledge base doesn’t need a database or heavy frameworks. In this guide, we’ll show how to add client-side search to your static Markdown-based system using JavaScript and Tailwind CSS — no backend required. ✅ Instant results ✅ Works offline ✅ No server dependencies This method is ideal for lightweight documentation or personal knowledge bases hosted on platforms like GitHub Pages or Netlify. Organize your .md files inside a docs/ directory. Example: docs/ ├── getting-started.md ├── installation.md ├── faq.md └── features.md Each file should begin with a clear heading and meaningful content for best results. Create a JSON index of your docs (manually or with a build tool). Here's a simple example: const docsIndex = [ { title: "Getting Started", path: "docs/gettin…  ( 4 min )

I’ve compiled 50 key questions and answers as a technical interview prep guide for senior data scientists in the field of generative AI. Describe the main components of the Transformer architecture and explain how they overcome the limitations of RNNs/LSTMs. Transformers overcome the parallel processing limitations and difficulty in capturing long-range dependencies of RNNs/LSTMs, which rely on sequential processing, through the self-attention mechanism. Self-attention simultaneously calculates the relationships between all token pairs in a sequence, enabling parallel processing and helping each token understand the context by utilizing information from the entire sequence. The main components are: Self-Attention: Each token assesses its relevance to all other tokens in the sequence, effe…  ( 50 min )

Example1: package While; public class Police { public static void main(String[] args) { int police=0; int thief=40; while(police=3) { wrapper= wrapper-3; choco=choco+1; wrapper=wrapper+1; } System.out.println(choco); } } Output: 22  ( 2 min )

Figma-Context-MCP in Practice: A New AI-Powered Experience from Design to Code Collaboration between designers and developers is being revolutionized by AI and new protocols. This article will help you easily understand Figma-Context-MCP, show you step-by-step how to use Cursor with Figma-Context-MCP to automate turning designs into code, and compare the unique advantages of Codia AI Code Generator for high-fidelity code generation. What is Figma-Context-MCP? Core Value of Figma-Context-MCP Hands-on: Reproducing Designs with Cursor and Figma-Context-MCP Figma-Context-MCP vs. Codia AI Code Generator FAQ Conclusion & Call to Action Figma-Context-MCP (Model Context Protocol) is an open-source project created by Graham Lipsman, not an official Figma product. It's an MCP server that allows A…  ( 6 min )

Article by Tamer AlDeeB – EQCPA - 17 March 2024 info@eqcpa.com ✨ In Short: Tourism isn’t just about selling experiences — it’s about managing trust and protecting value. A dedicated audit firm acts not merely as a checker but as a business guardian — enhancing controls, improving profitability, and building a sustainable growth platform. Secure your future, protect your guests, and unlock new opportunities — all starting with the right audit partner.  ( 4 min )

Hey guys, Michael here! Today I decided to learn more about Vue.js and, after a few hours of coding, I built a task manager with everything very basic (and a little more): Complete CRUD, dynamic filters and native Vue animations! It was interesting to discover how the Vue structure makes everything more organized – and the transitions are very simple to implement. Has anyone else done anything like this? What tips, books or best practices do you recommend for those who are starting out? Project link https://app-vue-todo.vercel.app/ obs: the project is in portuguese.  ( 3 min )

When your data grows beyond a toy example, pprint starts to break. You see cut-off arrays. Flattened hierarchies. Lost context. And worst of all? Hidden bugs buried under “pretty” formatting. That’s why I created SetPrint — a Python library that shows structure, not just values. ✅ Side-by-side comparisons: pprint / setprint ✅ Real-world examples: image data, confusion matrices ✅ Benchmarks + 5 must-know tips for structured debugging Want to see it in action? Try this demo notebook — no install needed. (To use Colab, a Google account is required.) Google Colab 1. Visual Comparison — pprint vs setprint data = { "users": [ {"name": "Alice", "scores": np.array([95, 88, 76])}, {"name": "Bob", "scores": np.array([72, 85, 90])} ], "meta": {"c…  ( 5 min )

The world of AI tools is evolving rapidly, and Google AI Studio is no exception! It recently received some exciting updates, including a refreshed interface and powerful new features. In my latest video, I dive into what's new, covering: The redesigned UI The powerful "Compare Mode" for testing models side-by-side Hands-on demo of the new Veo 2 video generation capabilities Want to see these updates in action and learn how to use them? Watch the full walkthrough here: Watch on YouTube: New Google AI Studio  ( 3 min )

Asynchronous JavaScript can be tricky to grasp, especially for beginners. Concepts like Promises, Async/Await, and the fetch API often seem abstract — until you build something real with them. In my latest YouTube video, I break down asynchronous JS in the simplest way possible and walk you through how to use it in a real-world project. And what better way to learn than by building something fun… like a Pokémon Fetch App! 📌 What You'll Learn ✅ The difference between Promises and Async/Await ✅ How to use try...catch and finally for error handling ✅ Making real API requests with the fetch() method ✅ Applying everything by building a Pokémon project 00:00 – Introduction: What is Asynchronous JavaScript? 01:10 – Promises, Async/Await, try…catch, then…catch…finally 06:30 – API - Fetch 10:39 – Pokémon Project (Hands-on section) If you're learning frontend development or JavaScript, mastering asynchronous code is non-negotiable. Whether you're handling user interactions, loading data from an API, or building full-stack apps — you need these concepts in your toolkit. This video blends theory and practice, so you'll understand the "why" and "how" behind the code — not just copy-paste your way through. In the final part of the video, you'll build a simple app that fetches Pokémon data from a public API. You’ll apply everything you’ve learned and see how it all works together. Don't just read about async JavaScript — build it. 👉 Click here to watch the full video If you find the video helpful, please consider: Liking 👍 Subscribing 🔔 Sharing it with friends or dev communities 💬 🏷️ Tags JavaScript #AsyncAwait #Promises #WebDevelopment #Frontend #FetchAPI #LearnToCode #JavaScriptProject #CodingTutorial #PokémonAPI  ( 4 min )

Introduction When working with Svelte and TypeScript, you might run into challenges regarding event typing. A common scenario involves handling input events from an element and wanting to replace the generic any type with a more specific InputEvent. This article will explore how to accurately type the input event in Svelte using TypeScript, allowing you to harness the benefits of type checking while eliminating the use of any. Understanding the Issue You are currently using an input handler function that looks like this: function emitChange(event: any) { const text = event.target.value; dispatch("changeContent", { text }); } While this function works, it relies on the any type, which defeats the purpose of using TypeScript. In your attempt to switch to InputEvent, you enco…  ( 4 min )

Choosing the right packaging material for your product is more than just a design or cost decision—it's a reflection of your brand's values, product needs, and customer expectations. For many businesses, the choice often comes down to two of the most common materials: plastic or paper. Both have their pros and cons, and neither is universally better in every situation. In this blog, we’ll explore the key factors you should consider when deciding between plastic and paper packaging, especially as sustainability and consumer awareness continue to shape the packaging industry. As global concerns about climate change and plastic pollution grow, businesses are under increasing pressure to adopt sustainable packaging solutions. Consumers are now more informed and are actively seeking products wi…  ( 5 min )

Panier is a system built for small business with features including Point of Sale, Invoices, Credit Notes, Debit Notes, Delivery Notes, Quotations, Multi-Currency, Stock Management, Profit and Loss and much more. Panier also includes the ability to ZIMRA Fiscalize and extends this ability to the Panier API allowing you to integrate with it from your project. In this article we will show you how you can integrate your project with ZIMRA's FDMS through the Panier API. First you need to register an account on Panier and create a company if you don't already have one. You will get a 14 day FREE trial when you register, after which you will have to pay a US$19.99 monthly subscription for each company that you have. Next navigate to the Developer API page of your company and generate the API Cre…  ( 9 min )

LDAP is a pretty known and widely used protocol in the world of IT, although it is not as comfortable to use as OAuth or OpenID Connect. Nevertheless, you can still often encounter enterprises that need to use it, therefore it is worth to gain some experience with it. In this article, I will show you how to set up a website on Nginx that is protected by Active Directory or LDAP authentication. If you have your own spare domain, you are even luckier because you can also use SSL from Let's Encrypt to make the connection secure (see last section)! The code for the complete project is available on GitHub: https://github.com/ppabis/nginx-ldap-simplead In order to use LDAP with Nginx, we obviously need a directory where our users will reside. For this purpose, I will use AWS Simple AD, as it is …  ( 15 min )

In the final part of the scripting series, we will be a looking at a real world example of a system health script you can run in your production environment. This type of script is a powerful tool for both new and seasoned Linux users, offering a quick and automated snapshot of a system's health. It combines key administrative tasks - like checking uptime, disk usage, system load, user activity, and log data - into a single, readable report. Whether you're a student learning Bash, a sysadmin managing servers, or a DevOps engineer monitoring resources, this script saves time, reduces manual effort, and builds a habit of proactive system checks. It’s not just a script - it’s a hands-on learning experience and a real-world productivity booster. Create the script in VIM. Write the script …  ( 5 min )

If you’re diving into DevOps, sooner or later you’ll find yourself working with cloud infrastructure. And when it comes to enterprises, Azure is one of the biggest players in the game. But for many newcomers, Azure can feel like a maze of services, menus, and jargon. This post breaks down how to get started with Azure practically — with just enough context to understand what's happening, and a CLI-driven walkthrough to create your first resource group. At its core, Microsoft Azure is a cloud computing platform that offers: On-demand access to computing, storage, networking, and AI services A pay-as-you-go model Massive global scale Whether you’re hosting a web app, spinning up Kubernetes clusters, or building a DevOps pipeline — Azure has a service for it. Before we dive in, let’s get clea…  ( 4 min )

In case you missed the quiet launch of our timescaledb-ruby gem, we’re here to remind you that you can now connect PostgreSQL and Ruby when using TimescaleDB. 🎉 This integration delivers a deeply integrated experience that will feel natural to Ruby and Rails developers. If you’ve worked with Rails for any length of time, you’ve probably hit the wall when dealing with time-series data. I know I did. Your app starts off smooth—collecting metrics, logging events, tracking usage. But one day, your dashboards start lagging. Page load times creep past 10 seconds. Pagination stops helping. Background jobs queue up as yesterday’s data takes too long to process. This isn’t a Rails problem. Or even a PostgreSQL problem. It’s a “using the wrong tool for the job” problem. In this post, I’ll show you…  ( 6 min )

Functions are the heart of any programming language, and in TypeScript, they become even more powerful with type safety. In my latest video, I walk you through how to write and use functions in TypeScript. Whether you're transitioning from JavaScript or just getting started with TS, this tutorial is designed to help you build a solid foundation. 📺 Watch the full tutorial on YouTube: 🚀 What You'll Learn: ✅ Declaring functions with TypeScript ✅ Arrow functions vs traditional functions ✅ Typing function parameters and return values ✅ Optional and default parameters ✅ Clean code and best practices JavaScript is flexible — sometimes too flexible. TypeScript introduces structure by enforcing types, reducing bugs and making your code easier to understand and maintain. With TypeScript, functions can clearly define: What kind of arguments they accept What type of result they return Whether certain parameters are required or optional Here’s a quick example: function greet(name: string = "Dev"): string { return `Hello, ${name}!`; } ` This function: Takes a name parameter of type string Has a default value ("Dev") Returns a string And TypeScript will enforce all of that at compile-time! Real-life function examples Why arrow functions behave differently (especially with this) Tips for writing scalable functions in a TypeScript project `txt ` This video is part of my ongoing TypeScript series. If you're serious about becoming a better web developer, learning TypeScript is non-negotiable. Let me know what you'd like to learn next — and don’t forget to like, share, and subscribe if you find the video helpful! 📌 Watch the video now ✍️ Samson Njoku YouTube • LinkedIn • GitHub  ( 4 min )

Hey devs! React’s component-based architecture pairs seamlessly with Tailwind’s utility-first CSS framework, enabling rapid development without sacrificing quality. This combo shines in large-scale projects where consistency, performance, and maintainability are critical. Key Benefits: Efficiency: Style directly in JSX, eliminating context-switching to separate CSS files. 📱 Responsive Design: Built-in responsive utilities (sm:, md:, lg:) simplify adaptive layouts. Reusability: Encourages modular, reusable components for UI and styling. Maintainability: Tailwind’s purge feature ensures lean production CSS. We’ll use Vite for a lightweight, fast build tool and configure Tailwind with a scalable structure. 1. Initialize the Project npm create vite@latest tailwind-app -- --template react c…  ( 5 min )

EXAMPLE1: package While; public class Factorial { public static void main(String[] args) { int factorial =1; int no =6; while (no>=1) { factorial =factorial*no; no=no-1; } System.out.println(factorial); } } Output: EXAMPLE2: package While; public class Choco { public static void main(String[] args) { int choco =1; int part = 5; while (part>0) { choco =choco *2; part =part-1; System.out.println(choco); } } } Output: EXAMPLE3: package While; public class Choco2 { public static void main(String[] args) { int choco =128; int kids_count=0; while (choco>1) { choco=choco/2; kids_count =kids_count+1; } System.out.println(kids_count); } } OUTPUT: EXAMPLE4: package While; public class Ft { public static void main(String[] args) { float total_fit=30; int up=2; float down=1.5f; int day=1; while(total_fit>1) { total_fit=(total_fit-up+down); day=day+1; } System.out.println(day); } } OUTPUT: 59  ( 3 min )

Hello everyone, I have put the Lynx project on hold because I am currently busy with another project. Although Lynx is a solid framework, I cannot develop two projects at the same time by myself. Since I no longer have time to continue the development of Lynx, I am thinking of offering it for sale. If you represent a company, I would be happy to join your Lynx team if needed. Lynx already has a solid foundation with an ORM and a CLI. The CLI is written in Rust and the ORM is natively integrated into Lynx. I will share code samples related to Lynx with serious buyers. Contact me: Instagram: Signor P Discord (and other platforms): _signor_p_  ( 3 min )

What if PCB failures weren’t a setback, but a step forward? With AI technology, defective boards are now valuable learning tools that help engineers improve future designs. By analyzing these failures, AI is helping create more reliable and efficient PCBs. Ready to see how AI is reshaping the PCB industry? Keep reading to find out. *1. AI's Role in Analyzing PCB Failures: AI systems are now being employed to analyze defective PCBs, identifying patterns and anomalies that might be overlooked by human inspectors. By processing vast amounts of data from failed boards, AI can pinpoint specific issues such as: 1. Soldering defects: Identifying cold joints or insufficient solder. 2. Component misplacement: Detecting components that are out of alignment. 3. Trace issues: Spotting broken or short…  ( 4 min )

Self-Hosting Your Way to Cost Savings: Replacing Prisma Accelerate with Redis and Twemproxy By replacing Prisma Accelerate ($60/month) with a self-hosted Redis caching solution using Twemproxy, we maintained query performance while essentially reducing our database caching costs to zero. The solution works reliably in serverless environments and integrates seamlessly with our multi-tenant architecture. Serverless applications need efficient database strategies for good performance, but managed services can get expensive as you scale. When our Prisma Accelerate bill hit nearly $60 last month—approaching the cost of our entire EC2 instance—we knew we needed an alternative. Prisma Accelerate provides excellent connection pooling and caching for serverless environments, but the pricing becam…  ( 6 min )

This is where Data Flow Manager by Ksolves steps in—a robust UI-driven tool designed to automate the promotion and deployment of NiFi data flows while drastically minimizing manual effort and errors. Before diving into the solution, it’s crucial to understand the limitations of traditional, manual NiFi flow deployment: Human Errors: Copy-paste mistakes, missing components, or incorrect parameter settings are common in manual deployments. Versioning Conflicts: Developers often work on different versions of a data flow, making it difficult to track or reconcile changes. Environment Mismatches: Development, Staging, and Production environments may have different configurations. Manual NiFi data flow deployment makes it easy to overlook such nuances. Lack of Auditability: Manual processes offe…  ( 4 min )

As a Docker Captain and Co-Founder of a Docker hosting company, I've seen a lot of people struggle and make mistakes with Docker. Most developers "learn" Docker by copy-pasting a Dockerfile from Stack Overflow and calling it a day. But if you want to really understand containers, their limits, their quirks, and how to bend them to your will, you need to play. Here are 5 hands-on projects that will help you level up your Docker skills fast. Are they something you will use day-to-day? No. Are they something that will save your butt in a very weird situation in 5 years time? Maybe, or at least thats what I hope for :D You already have a project. Maybe it is a Next.js frontend or a Flask API. Here is your challenge: strip the image down as far as it can possibly go. Do not just change the bas…  ( 5 min )

RDMA(Remote Direct Memory Access)는 네트워크를 통해 서버 간에 CPU 개입 없이 메모리를 직접 읽고 쓰는 기술이다. 주로 고성능 컴퓨팅(HPC), 대규모 데이터 처리, AI/ML 분산 학습 환경 등에서 낮은 지연 시간과 높은 대역폭을 제공하기 때문에 많이 사용한다. 1. RDMA의 기본 개념 일반적인 네트워크 통신 방식에서는 데이터를 전송하려면 CPU가 메모리에서 데이터를 읽고, 네트워크 인터페이스 카드(NIC)로 복사한다. 이 복사한 데이터를 네트워크를 통해 데이터를 보내고, 수신 측에서도 CPU가 데이터를 NIC에서 메모리로 복사한다. 이 과정에서 CPU, 커널, 복사 작업 등이 개입되어 지연(latency)과 CPU 오버헤드가 큰 현상이 발생한다. 반면, RDMA는, CPU나 운영체제(OS) 커널의 개입 없이, 원격 시스템의 메모리에 직접 읽기(read) 또는 쓰기(write) 작업을 수행한다. 다시 말해, 데이터가 직접 메모리에서 메모리로 이동한다. 2. RDMA가 동작하는 방식 (1) 메모리 등록 (Memory Registration) 송신자와 수신자 모두 RDMA NIC(HCA: Host Channel Adapter)를 사용함. RDMA를 사용하기 위해서는 사용할 메모리 영역을 등록(pinning)해야 함. 이 과정에서 해당 메모리는 물리 메모리에 고정되고 커널이 RDMA NIC에 메모리 주소를 알려줌. (2) Queue Pair 생성 RDMA 통신은 QP(Queue Pair)라는 구조를 통해 이루어짐. QP는 Send Queue와 Receive Queue로 구성…  ( 4 min )

If you haven't already, I would recommend having a quick look at the Introduction & Sequence Diagram Welcome to the 3-part series that helps you create a scalable production-ready authentication system using pure JWT & a middleware for your SvelteKit project Part 1 → Setup & JWT Basics Part 2 → Authentication Flows Part 3 → Protecting Routes & Security You are reading Part 3 Goal: Secure the app with middleware and discuss best practices for a production-ready system. Topics we'll cover Server Hooks (Middleware): Use SvelteKit hooks to verify JWT and secure routes. Security Considerations: Token storage (HTTP-only cookies), CSRF protection, token expiration, HTTPS, etc. Conclusion & Next Steps: Recap and suggestions like refresh tokens or role-based access. Now we'll implement the authenti…  ( 4 min )

Safeguarding your domain against email spoofing and phishing threats is crucial, and DMARC (Domain-based Message Authentication, Reporting, and Conformance) is essential for this protection. However, understanding DMARC reports can be challenging, particularly when problems occur. This guide outlines the typical issues found in DMARC reports and provides solutions to address them. DMARC is a protocol for email verification that enhances SPF and DKIM, enabling domain owners to instruct receiving servers on how to process emails that do not pass these authentication tests. Additionally, it offers reports that indicate the proper or improper use of emails, aiding in the detection of spoofing attempts, mistakes, or unauthorized senders. To effectively interpret and respond to these reports, on…  ( 6 min )

Introduction TryHackMe's Brains room is a cybersecurity challenge that focuses on exploiting an authentication bypass vulnerability in TeamCity (CVE-2024-27198). This walkthrough will guide you through the attacker's perspective, where we gain access to the system, and the defender's perspective, where we analyze logs to track the attack. Step 1: Initial Reconnaissance Before diving into exploitation, we need to gather information about the target system. Running an Nmap Scan Start by scanning the target machine to identify open ports and services, i used the following code: nmap -A -sV -sS 10.10.155.253(YOUR_MACHINEIP) -T4 but you can have the same results as shown with this: nmap -A -T4 -p- 10.10.155.253(YOUR_MACHINEIP) Scan Results: Let's dig further, so open the Firefox browser an…  ( 6 min )

In today’s rapidly evolving digital landscape, Web3 is emerging as a transformative force, gradually reshaping the way we interact with the internet. But what exactly is Web3, and how does it differ from Web2? Let’s dive deep into this new era of decentralized technology and explore its impact on industries, users, developers, and startups. What is Web3 and How Does it Differ from Web2? The fundamental difference between Web2 and Web3 is the concept of decentralization. While Web2 relies on intermediaries to mediate transactions and data exchanges, Web3 removes these intermediaries by allowing users to interact directly with one another via peer-to-peer networks. Advantages of Web3 for Users and Developers Decentralized Data Ownership: Peer-to-Peer Services: Elimination of Intermediari…  ( 5 min )

Introduction If you're encountering the error message FirebaseError: Firebase: No Firebase App '[DEFAULT]' has been created, don't worry! This is a common issue for many Flutter developers integrating Firebase into their applications. In this article, we will dive into understanding why this error occurs and how to resolve it effectively as you develop your Flutter web application using Firebase. Understanding the Firebase Initialization Error The error 'No Firebase App '[DEFAULT]' has been created' typically arises when your Firebase app has not been initialized before attempting to use it. The Firebase SDK requires that the app be initialized with your specific Firebase configuration to communicate correctly with your Firebase backend services, such as Firestore, Authentication, and more…  ( 4 min )

If you haven't already, I would recommend having a quick look at the Introduction & Sequence Diagram Welcome to the 3-part series that helps you create a scalable production-ready authentication system using pure JWT & a middleware for your SvelteKit project Part 1: Setup & JWT Basics Part 2: Authentication Flows Part 3: Protecting Routes & Security You are reading Part 2 Goal: Implement user authentication flows using JWT, covering sign-up, sign-in, and logout Topics we'll cover Sign-Up Flow: Server-side endpoint to register users and issue JWT, with a Svelte form. Sign-In Flow: Server-side endpoint to authenticate users and issue JWT, with a Svelte form. Logout Flow: Server-side endpoint to clear cookies, with a simple UI. Note: All form validations are happening server-side, as it shoul…  ( 8 min )

GCP Persistent Disks Compared: Balanced, Extreme, SSD, and Standard Explained Overview: Balanced Persistent Disk (pd-balanced) They are zonal or regional, ensuring high availability and durability. Key Features When to Use Each Venkat C S  ( 3 min )

Dive into the diverse landscape of Linux distributions. Understand their unique features, use cases, and how to choose the right one for your needs. Understanding Linux Distributions Linux distribution is a complete operating system built around the Linux kernel. It includes system software, libraries, and often a package management system. Distributions can be community-driven or commercially backed, each bringing its unique flavor to the Linux ecosystem.​ Major Linux Distributions and Their Use Cases Ubuntu Overview: Developed by Canonical Ltd., Ubuntu is based on Debian and is known for its user-friendliness.​ Use Cases: Ideal for beginners, desktops, servers, and cloud deployments.​ Variants: Includes Kubuntu (KDE desktop), Xubuntu (XFCE desktop), and Ubuntu Server.​ Debian Overview: A…  ( 5 min )

In the world of computer science, data is at the core of every application. From a simple calculator app to a complex search engine, how data is stored, managed, and accessed can significantly impact performance. That’s where data structures come in. If you’re new to programming or looking to strengthen your foundation, this Data Structures Tutorial will serve as a beginner’s guide to mastering the basics. Before diving deeper, it’s important to answer the question: what is data structure? At its simplest, a data structure is a method of organizing and storing data in a computer so that it can be used efficiently. Think of it like the different types of containers you might use in your kitchen—jars, boxes, baskets. Each is suited for storing certain types of items, and choosing the right …  ( 5 min )

https://docs.aws.amazon.com/eks/latest/userguide/update-cluster.html export CLUSTER= kubectl describe daemonset aws-node --namespace kube-system | grep amazon-k8s-cni: | cut -d : -f 3 Deve ser >= 1.8.0 kubectl get daemonset aws-node -n kube-system -o yaml > aws-k8s-cni-old.yaml eksctl create iamserviceaccount \ aws eks create-addon \ eksctl get addon --name vpc-cni --cluster $CLUSTER aws eks update-addon \ kubectl describe deployment coredns --namespace kube-system | grep coredns: | cut -d : -f 3 kubectl get deployment coredns -n kube-system -o yaml > aws-k8s-coredns-old.yaml aws eks create-addon \ eksctl get addon --name coredns --cluster $CLUSTER aws eks update-addon \ kubectl describe daemonset kube-proxy -n kube-system | grep kube-proxy: | cut -d : -f 3 Deve ser max 2 versões para tras kubectl get daemonset kube-proxy -n kube-system -o yaml > aws-k8s-kube-proxy-old.yaml aws eks create-addon \ eksctl get addon --name kube-proxy --cluster $CLUSTER Atualizar apos upgrade do eks aws eks update-addon \ kubectl describe deployment -n kube-system aws-load-balancer-controller | grep aws-alb-ingress-controller: | cut -d : -f 3 kubectl get deployment -n kube-system aws-load-balancer-controller -o yaml > aws-k8s-aws-alb-ingress-controller-old.yaml kubectl set image deployment/aws-load-balancer-controller -n kube-system controller=public.ecr.aws/eks/aws-load-balancer-controller:v2.4.7 k get pod -n kube-system | grep aws-load-balancer-controller  ( 3 min )

Introduction In the current landscape of new product development, the primary risk lies in the product's ability to gain a market fit rather than technological advancements. Entrepreneurs and investors have limited resources, including time and funding, to ensure the success of their products. To minimize waste, it is crucial to prioritize investment in strategies that address the most critical risks. Venture Capital (VC) evaluates potential startups with various methods, predominantly utilizing numerical indicators like engagement and revenue quality. However, for early-stage startups that may lack these indicators or face misleading data, VCs must rely on a blended approach of qualitative and quantitative proxies to understand the progress and direction of the product. The software tes…  ( 8 min )

Cloud deployment is no longer just a “DevOps” thing. Whether you're a solo developer shipping side projects or part of a startup team launching weekly updates, smoother deployments mean faster feedback, fewer bugs, and less stress. But between setting up CI/CD pipelines, configuring environments, and managing infrastructure, cloud deployment can easily become a time sink. So what tools actually help streamline the cloud deployment process in 2025? Let's break it down, developer-to-developer. Before jumping into tools, let’s talk real-world benefits. When your deployment workflow is smooth: You save time (and sanity) You reduce the risk of breaking production You get faster feedback from users You can focus more on building, less on babysitting servers Whether you’re shipping a side projec…  ( 5 min )

In today’s digital-first world, nonprofits and charitable organizations are increasingly embracing technology to enhance their impact. One of the most powerful tools in this transformation is a mobile app. From improving outreach to streamlining donation processes, mobile apps offer nonprofits a scalable and efficient way to serve communities and drive their mission forward. Nonprofits often operate with limited resources but big ambitions. A well-designed mobile app helps bridge that gap by enabling: Real-Time Engagement: Stay connected with volunteers, donors, and beneficiaries with instant updates, event notifications, and push messages. Simplified Donations: Mobile apps make it easier for supporters to contribute, with secure payment gateways and recurring donation options. Data-Dr…  ( 3 min )

Are you looking for a simple way to convert seconds into a 'Hour:Minute:Second' format using PHP? It's a common task, particularly when working with time durations in applications. In this guide, we'll explore how to efficiently perform this conversion with a straightforward approach and clear code examples. Understanding the Conversion Process When you have a number of seconds, the goal is to break it down into hours, minutes, and remaining seconds. For example, converting '685' seconds into '00:11:25' involves: Calculating Hours: By dividing the total seconds by 3600 (the number of seconds in an hour). Calculating Remaining Minutes: By taking the remaining seconds after accounting for hours and dividing by 60. Calculating Remaining Seconds: By taking the remainder from the minutes calcul…  ( 4 min )

Fuelled by Investment, Driven by Security Now that we’ve gotten a solid grip on the Catalysis Ecosystem, it’s time to zoom out and see how it’s making waves in the real world. Catalysis, a project that’s helping make blockchains more secure, just raised $1.25 million to create a new kind of security system. This new system will help make it easier for developers to keep their blockchain networks safe by sharing security across different platforms. Think of it like a special tool that helps everyone stay protected in the world of blockchains. The money was raised from some big names, like Hashed Emergent, which helps Web3 projects in Asia, and others like Presto Labs, SpaceshipDAO, and Cosmostation. These investors are excited about Catalysis because they believe the project can really h…  ( 4 min )

The Scraper: The Collector of Car Parts Each day, the Scraper ventured out, gathering essential tools—brake pads, spark plugs, and oil filters—meticulously putting them in his storage room. This storage room, filled with parts, was like a database, organizing all the precious data he gathered from various sources. For instance, one day, the Scraper found a batch of brake pads. He cataloged the details, from brand to condition, and stored it safely. This was like collecting the latest prices from websites, storing them in a file for future use. The Backend Guy: The Toolbox Handler Whenever the mechanic—the Frontend—needed a specific tool, they would call out, “I need a 10mm wrench!” The Backend Guy, standing by the toolbox, would find the correct tool and hand it over with precision. He didn't fix the car himself, but he made sure the mechanic had exactly what was needed at the right time. Just like that, the Backend Guy managed the storage of all the data and ensured it was always ready when the Frontend needed it. When the mechanic asked for the current price of the Euro in Toman, the Backend would retrieve that data and send it in a neat package—a JSON response—ready to be used. The Frontend Mechanic: The User Interface When the mechanic needed a part, they'd shout, "I need a 10mm wrench!" The Backend Guy would respond, handing over the tool, and the Frontend Mechanic would get to work. The mechanic didn’t care how the part got there, as long as it was the right one. In the same way, the Frontend Mechanic used the data provided by the Backend to create an amazing display for the car's dashboard. They made sure the car (or website) looked stunning, with neatly organized parts (like the prices) and a smooth-running engine (user interface). Whether it was showing prices in a nice table or providing a simple, user-friendly experience, the Frontend Mechanic made sure everything was visually appealing and functional.  ( 4 min )

Cash in on Creativity: Unleash and Monetize Your Talents in the Digital Era In an era where digital platforms dominate the scene, creativity is not just an innate skill; it's a commodity you can leverage to generate income. Never before has it been so attainable to transform your talents into a revenue stream. Whether you're an artist, writer, musician, or designer, opportunities to monetize your creativity have never been greater. Let’s dive into how you can cash in on your unique talents. The first step in monetizing your creative passion is identifying and understanding your skills. What do you love to do? What do people often compliment you on? Whether it's painting, composing music, or crafting engaging stories, recognizing your talent is crucial. Digital platforms provide creative …  ( 4 min )

Infrastructure as Code (IaC) has come a long way since its beginnings. What started as spinning up cloud resources has now grown into a full-blown ecosystem with a very engaged community. IaC on its own can add a lot of complexity to your processes and cause more issues, but combined with governance, compliance, security, deployment strategies, self-service, it easily becomes the fuel your delivery engine needs. This year, IaCConf debuts as a virtual event by bringing together this community, and it’s shaping up to be one of the most relevant and practical events in the space. Unlike broader DevOps/SRE or cloud-native events, IACConf is focused on the challenges and innovations around defining infrastructure as code. That means the content goes deeper, the conversations are more relevant, and the takeaways are directly applicable to your processes. There will be sessions on: Getting started with IaC Managing IaC at scale across teams and environments (using OpenTofu, Terraform, Ansible, Crossplane, and others) Platform Engineering and IaC How IaC impacts your maturity AI in IaC And that’s just scratching the surface. Check out the full agenda here. One of the things I appreciate most about this conference is that it’s not about product pitches or high-level fluff. Practitioners share what worked, what broke, and how they improved. Whether you are just starting out, are in the trenches, or shaping platform strategy, there’s something for you here. On another note, I’m also excited to contribute to this year’s lineup with a session on Getting Started with IaC, together with my colleague Emin Alemdar. But honestly, I’m just as excited to learn and to connect with others working through the same challenges. The event will be on Thu, May 15, 2025 @ 11:00am EDT, so don’t forget to register here. This post was originally posted on Medium.  ( 3 min )

If you're diving into Ruby on Rails, understanding how to effectively use forms is crucial for creating interactive applications. In this article, we'll explore how to create a basic form in Ruby on Rails and pass data to a route using simple examples. You'll learn about the structure of a form and how to submit data securely, which is essential for any web application. Why Use Forms in Ruby on Rails? Forms are fundamental in web applications as they enable users to input data. Whether you're collecting user information, comments, or other types of data, forms serve as the primary interface for user interactions. In Ruby on Rails, handling forms is made simple with built-in helpers that streamline the process and ensure your application remains secure. Setting Up Your Rails Application Bef…  ( 5 min )

By a beginner, for beginners. When I first started learning Go (Golang), everything felt a little strange. Coming from the Python and JavaScript background😅😅., I expected to deal with new syntax, but I didn’t expect to get stuck on the very first line of every Go file: package main I remember asking myself: "Why do we declare the package name before the start of any code?" 📦 What Is a Package in Go? In Go, as well as other languages like Python, a package is a way to organize and reuse code. Every .go file must start by declaring which package it belongs to. There are two kinds of packages you’ll encounter early on: main: This package is special. It tells the Go compiler that this file is part of an executable program. Library packages: These are packages meant to be imported into othe…  ( 4 min )

Suppose you have a busy website where elements are constantly changing, buttons appear, text updates, new content sneaks in. You need a detective to watch all of this. Use MutationObserver, JavaScript’s Sherlock Holmes, who never misses a detail. Once something changes, the detective detects the change and decides what action to take. 💡 Example: Sherlock Holmes Investigates Price Updates 💰 Let’s say you have a shopping cart on your website, and the price of the cart updates whenever an item is added or removed. You need Sherlock Holmes (MutationObserver) to catch these updates and notify you. // Select the node that will be observed for mutations const cartPrice = document.getElementById("cart-price"); // Options for the observer (which mutations to observe) const config = { childList: …  ( 4 min )

Now you can connect to your remote development environments on Diploi using Cursor Diploi is deployment platform for applications with support for remote development Vibing on Diploi ✨ We just added support for Cursor, which means that now you can start coding your application without installing anything locally and vibe your way to production Don't want to read? Check the video demo If you prefer reading, let's go step by step: If you have a development environment already created, you can skip to step 2 You can launch the project creation page from your dashboard's project page https://console.diploi.com//projects Now choose the stack for your application. For this guide, I'll select Bun and Nue.js with Postgres for my demo app After clicking on Launch Stack,…  ( 4 min )

The Moving Average Convergence Divergence (MACD) indicator is often misinterpreted as a simple crossover tool. In reality, it offers a nuanced view of market momentum, trend health, and potential reversals—especially when analyzed over longer timeframes. This breakdown outlines how MACD identified major market movements on the BTC/USDT weekly chart using data-driven signals. Momentum Breakout – Early 2023 In early 2023, MACD moved above the signal line with an expanding histogram. This was not just a routine crossover; it indicated strong bullish momentum following BTC’s recovery from 2022 lows. What to monitor: A rising MACD histogram with increasing bar height Signal line separation confirming acceleration Insight: A rapidly expanding histogram often confirms a new sustained trend, no…  ( 4 min )

In today's digital world, cybersecurity isn't only for techies; it's essential for everyone. Whether you use a smartphone, a laptop, or a simple button phone, you are a possible target for hackers. This article outlines why everyone is vulnerable and provides practical steps to stay safe, tailored for a professional audience.  ( 2 min )

State management in React can sometimes feel like overkill. Whether you're reaching for Redux, Zustand, or Jotai, you might be introducing complexity when all you need is a minimal way to share state globally across components. That’s where @odemian/react-store shines — a tiny, typed, selector-based, and dependency-free global state library powered by useSyncExternalStore. In this article, we’ll walk through how to build a clean, performant Todo App using @odemian/react-store in just a few minutes. npm install @odemian/react-store Create a new file called stores/todoStore.ts: import { createStore } from "@odemian/react-store"; export type TTodo = { id: number; name: string; done: boolean; }; // Initialize the store with one task export const [useTodos, updateTodos] = createStore<T…  ( 4 min )

In Rust, understanding how std::mem::transmute functions between different types is crucial for ensuring memory safety and type integrity. This brings us to an interesting question: Is it safe to transmute between two custom struct types, OuterA and OuterB, which only differ by their inner types — InnerA and InnerB? Let's explore what the repr(transparent) conveys and clarify the implications of transmuting types in Rust. Understanding repr(transparent) The #[repr(transparent)] attribute in Rust is used to indicate that a struct represents a single variant of a type that can be safely treated as equivalent to its single field. This is particularly useful for effectively working with opaque types or for implementing newtype patterns. In the provided example, we have the following structur…  ( 4 min )

The digital realm, the backbone of our modern existence, hums with the constant flow of information, transactions, and communication. Yet, beneath this seemingly seamless surface lies a shadowy undercurrent of the world of system hacking. It’s a complex landscape of technical prowess, strategic thinking, and a constant battle between offense and defense. Understanding system hacking is no longer just for cybersecurity professionals; it’s becoming increasingly crucial for anyone navigating our interconnected world. But what exactly is system hacking? At its core, it refers to the unauthorized access and manipulation of computer systems, networks, or data. This can range from gaining unauthorized entry to a single computer to orchestrating sophisticated attacks on critical infrastructure. T…  ( 8 min )

Hello friends, I'm Yogesh Galav and currently working as Technical Product Manager at InstaWP, Recently I came across a problem of manually managing env file for multiple environments so I tried to came up with cost effective solution to it, I hope you read it with open mind. Like most of you at first I faced hurdle from my team mates of opposing dynamism or quick change culture, but after application was still running smoothly in develop/staging env I was able to gain their trust, hence looking forward to gain yours too. Some of you might have heard of solution to this problem like Infisical, Vault, AWS Parameter Store, Google Secret Manager but they involves cost in some form like money or work or maintenance. Let's now move directly to the point. Pros and Cons of ENV file management Pro…  ( 4 min )

Let's be real: with all the latest technologies and innovations, app building doesn't have to feel like building a house in 2025. With automation tools that just understand human language and commands, people are actually empowered to build an app/website of their own that is fully functional and I must say, quite unique. There are so many tools available that do the whole app building from A to Z for you. Yes, Builder.ai is a promising platform in the app development world because of its AI-driven simplicity. But what if you need more? More creative, more affordable, and more fit as per your requirements. Whether you are a small business owner or an enterprise, many other platforms are waiting for you that are just made for you and fit your requirements. And the cherry on the top is that …  ( 8 min )

Today, I want to share my experience using Cline (https://github.com/cline/cline) to manage an entire pull request (PR) without touching the code myself. I set the following rules for myself to complete the PR: The task I chose for the AI was a refactoring task to unify the implementation of mocking across the codebase, which varied by developer. I used the vanilla Cline VS Code extension. vscode-lm:copilot/gpt-4 vscode-lm:copilot/gpt-4o The codebase was an average Laravel application. The task was completed entirely through prompts. I wasn't sure if it was possible, but Cline made it. This was a different experience from Copilot, where once the prompt was written, the AI handled everything. Cline was able to handle various tasks beyond just reading and writing code. Here are some tasks I …  ( 6 min )

Let’s create a simple vertical tabs component using Tailwind CSS and JavaScript. Originally posted on: https://lexingtonthemes.com/tutorials/how-to-create-vertical-tabs-with-tailwind-css-and-javascript/ Why vertical though? Vertical tabs are a great way to organize content on a webpage. They are easy to navigate and can be used to display different sections of content in a single view. They are also a great way to save space on a page and make it more visually appealing.  ( 3 min )

Welcome to the next pikoTutorial ! A TCP server listens for incoming connections on a specified port and communicates with clients over that connection. from socket import socket, AF_INET, SOCK_STREAM from argparse import ArgumentParser # define command line interface parser = ArgumentParser() parser.add_argument('-ip', help='IP') parser.add_argument('-server_port', type=int, help='Server port') # parse command line options args = parser.parse_args() # create a TCP socket with socket(AF_INET, SOCK_STREAM) as server_socket: # bind server with a specific network address # which consists of IP and port number server_socket.bind((args.ip, args.server_port)) # start listening for requests server_socket.listen() print(f'TCP server up and listening on {args.ip}:{args.serve…  ( 4 min )

Looking for a free and effective Web Application Firewall (WAF) to protect your websites from attacks? Let me introduce you to SafeLine — a self-hosted, open-source WAF built by security experts at Chaitin Tech, designed specifically for the developer and security community. A Web Application Firewall (WAF) is a security layer that protects web applications from malicious traffic. It typically sits in front of the application as a reverse proxy, monitoring and filtering HTTP/HTTPS requests in real time. WAFs can block common attacks like: SQL Injection (SQLi) Cross-Site Scripting (XSS) Cross-Site Request Forgery (CSRF) Remote Code Execution (RCE) Business logic abuse Zero-day vulnerabilities App-specific exploits (e.g., WordPress, Joomla, Drupal) There are many WAF products out there — co…  ( 4 min )

Introduction When developing Angular applications, particularly with Angular Material, you might encounter issues regarding the mat-list and mat-divider components. Many developers wonder whether to use ngFor inside the mat-list or the mat-list-item and how to correctly place the mat-divider. Let’s delve into this topic to clarify which method is best. Why This Issue Arises The confusion around where to implement ngFor and the positioning of mat-divider often stems from how Angular handles component rendering. Using ngFor within the mat-list means that each item is rendered as part of the list itself; thus, the dividers are less likely to show correctly if their placement isn’t considered carefully. Conversely, applying ngFor to mat-list-item makes each list item independent and potentiall…  ( 4 min )

As technology continues to evolve at an unprecedented rate, few sectors remain untouched by its benefits. One domain witnessing significant evolution due to technological advancements is education. The recent surge in online learning platforms takes personalized learning to unprecedented horizons, largely due to the integration of AI (Artificial Intelligence). AI technology is transforming how students learn, how teachers teach, and fundamentally, making education more accessible and customized than ever before. The integration of AI in online learning platforms is revolutionizing the educational landscape by providing personalized feedback. The AI-driven systems analyze learners' performance, discern their strengths and weaknesses, and create customized, adaptive learning pathways, leavin…  ( 4 min )

If you've ever been involved in launching an AI chatbot, you know the pain: months of development followed by the seemingly endless purgatory of User Acceptance Testing (UAT). Your team creates brilliant conversational flows and integrations, only to watch your launch date slip further into the future as manual testers slowly work through scenarios. While companies focus heavily on selecting the right frameworks and models for their chatbots, they often underestimate what happens after development: the testing phase. According to recent surveys, nearly 90% of companies acknowledge they need stack upgrades to deploy AI agents—but even with those upgrades, manual UAT remains the silent killer of deployment timelines. Traditional software testing methodologies simply don't scale for conversat…  ( 4 min )

Are you planning to develop intelligent chatbots that require advanced understanding and interaction capabilities? Is your focus on enabling dynamic, complex research endeavors? Do you want to visualize or monitor asset flows and risks within your organization? Do you aim to unlock siloed data or enhance connectivity between disparate data environments? Knowledge graphs help structure information by capturing relationships between disparate data points. They allow users to integrate data from diverse sources and discover hidden patterns and connections.  ( 3 min )

A proxy firewall, often referred to as an application-layer or gateway firewall, acts as an intermediary between a user’s system and external servers. Instead of allowing direct communication, it processes and forwards requests on behalf of users. This not only hides internal network details from outsiders but also allows the firewall to thoroughly inspect data before it reaches its destination. Unlike traditional firewalls that operate primarily at the network or transport layer, proxy firewalls operate at the application layer. They intercept requests, evaluate the content, and relay approved traffic. This additional layer of inspection allows for more granular control, helping detect threats embedded in seemingly legitimate requests—such as malware hidden in web traffic or email attachm…  ( 4 min )

This is a submission for the Amazon Q Developer "Quack The Code" Challenge: Crushing the Command Line I created AI Medicine Analyzer, an intelligent web app that helps users analyze medications using the power of AI. It allows users to type in the name of any medicine and receive: A clear, structured breakdown of its uses, dosage, side effects, precautions, and interactions. AI-powered analysis in natural language, accessible to non-medical users. A dynamic, chat-like interface that feels intuitive and fast. The problem it solves: many patients struggle to understand complex medication instructions or identify drug interactions. This app simplifies that process using LLMs and brings trustworthy drug information to users' fingertips. Try the live app here: https://medilyze.netlify.app Here …  ( 4 min )

How can we understand the impact of hackers and hacktivists on global cybersecurity? In today’s interconnected world, cyber threats have evolved from simple pranks to sophisticated operations that can cripple organizations and even nations and really understanding who’s behind these attacks is crucial for proper defense. The digital landscape has become a battleground where diverse actors compete for information, influence, and financial gain. Threat intelligence has never been more vital for organizations seeking to protect their digital assets. Behind every breach and security incident stands a human or multiple humans with specific motivations, skills, and objectives. Recognizing these threat actor profiles allows security professionals to anticipate and counter attacks more effectively…  ( 7 min )

Abstract This post dives deep into open source developer crowdfunding, exploring how community-driven funding platforms empower innovation and ensure sustainability in the open source ecosystem. We cover the background, core concepts, practical applications, challenges, and future trends of this innovative approach. Key platforms such as Open Collective, GitHub Sponsors, and Patreon are highlighted, along with strategies to increase transparency and bolster developer motivation. Through tables, bullet lists, and detailed examples, this article provides a technical yet accessible overview that is optimized for both search engines and readers. Open source software (OSS) has revolutionized the way our digital world operates, offering a collaborative environment where developers and communit…  ( 8 min )

Introduction Many developers encounter challenges when adapting their workflow to the mobile-first approach in Tailwind CSS, especially those who prefer a desktop-first design methodology. While Tailwind CSS v3 made this easier through global configuration options, the introduction of Tailwind CSS v4 has made some of these features feel less intuitive. In this article, we will explore how to effectively configure Tailwind CSS v4 to achieve a desktop-first layout while maintaining responsive design principles. Understanding the Desktop-First Approach The desktop-first approach emphasizes designing for larger screens first, and then using media queries to adapt the design for smaller screens. This method allows developers to create a well-structured layout that looks good on large displays b…  ( 5 min )

CentOS 8 List any process listening to the given port: lsof -i:5000 kill 12345 Restart nginx server: service nginx restart Run python script in the background: nohup python3 /path/to/app.py & pip3 install -r /path/to/requirements.txt Search Files: Command + shift + F Copy line down: Shift + alt + Down arrow Shift + alt + Up arrow Delete line: Ctrl + shift + K Plugin: Prettier Shift + alt + F  ( 3 min )

국내 기업들을 방문해서 AI 인프라 관련 분들을 만나면, 가장 많이 물어보는 질문들 중 하나가 LLM 추론 시 메모리 크기는 얼마나 되는 것인 가이다. 아무래도내부에 가진 서버를 그대로 사용할 것인가? 아니면 신규로 서버를 구매할 것인가?에 대해 LLM을 동작 시킬 때 총 메모리 용량이 얼마나 되는 지 궁금해서 일 것이다. 예를 들어, meta-llama/Meta-Llama-3-8B-Instruct에서 훈련(Training) 또는 추론(Inference)할 때, Tensor Type으로 BF16 이면 메모리 크기는 얼마이며, 몇 장의 GPU를 사용해야 하는가에 대해 묻는다면, 어떻게 답변을 해야 하는지 알아 볼 것이다 메모리 사용량 개략적 계산 = (모델 파라미터 * 2) + 파라미터의 2 - 3배 BF16(bfloat16)은 FP16과 마찬가지로 16비트 정밀도를 사용하므로, 기본적으로 모델 파라미터*자체가 차지하는 메모리는 FP16 대비 큰 차이가 없음. AdamW 와 같은 옵티마이저 상태나 그래디언트, 중간 활성화 (activations) 등으로 인해 실제 요구되는 메모리는 2~3배 가량 될 수 있음. 계산식: (16 * 2) + (16GB * 2 or 16GB * 3) = 32GB + (32 or 48 )GB = 64 or 80 GB BF16 타입으로 풀 파인튜닝(Full fine-tuning)시 단일 GPU으로는 최소 40GB 이상, 안정적인 배치 크기 확보를 위해서는 A100/H100 80GB급이 1장이 권장 80GB H100 1장으로 분산 학습을 활용해도 충분히 학습이 가능함.…  ( 4 min )

Hello, I have an ambitious technical idea that I hope to share with the community of developers and cybersecurity specialists: Given the widespread prevalence of pornographic content online, and the difficulty of controlling it through traditional blocking or weak censorship tools, I've come up with a new system: 🔐 An "ethical operating system" (for smart devices – such as Android, iOS, and Windows) built from the ground up on the principle of: "Completely blocking any type of pornographic content, whether visual or textual, whether on websites, apps, search engines, or social networks." 💡 Key features of the idea: Its protection cannot be hacked or changed (such as the inability to install an alternative system). It can be installed on children's devices, school devices, or even the devices of adults who want to protect themselves. It doesn't rely solely on blocking a specific site, but rather on real-time content analysis. A clean app store and a clean built-in search engine. 🧱 Technically: Or as a distribution for children, schools, or conservative environments. Or even as a layer of security added to existing systems (e.g., Android). 🎯 The goal is not to impose censorship, but rather to provide a safe, ethical, and educational alternative. 🤝 I'm looking for: Interested programmers. Note that I'm only 16 years old. The goal is to find someone who will embrace this idea. Suggestions for improving the idea. Any technical or community support is possible. Do you think this type of system could make a real difference? opensource privacy cybersecurity idea  ( 3 min )

Developing code for an FPGA (like your DE1-SoC) involves several key steps that differ from traditional software development. Here's a comprehensive guide: 1. Design Phase a) Hardware Architecture Design Identify components needed: Data paths Control logic Memory interfaces I/O peripherals Consider clock domains and timing requirements b) Choose Your HDL Verilog: C-like syntax, popular in industry VHDL: Strongly typed, common in defense/aerospace SystemVerilog: Enhanced Verilog with verification features HLS (High-Level Synthesis): C/C++ to HDL (e.g., Intel HLS) 2. Coding Phase a) RTL Coding (Register Transfer Level) verilog module pwm_generator ( input clk, input reset, input [7:0] duty_cycle, output reg pwm_out ); reg [7:0] counter; always @(posedge clk or posed…  ( 4 min )

Kotlin vs Java: Which is Better for Android Development? Android development has evolved significantly over the years, and two programming languages dominate the ecosystem: Java (the traditional choice) and Kotlin (the modern alternative). If you're starting a new Android project or considering migrating an existing one, choosing between Kotlin and Java is a critical decision. In this article, we'll compare both languages in terms of performance, syntax, community support, and long-term viability to help you decide which is better for Android development. A Brief History of Java and Kotlin in Android Java: The Veteran Java has been the official language for Android development since the platform's inception in 2008. It’s a mature, object-oriented language with a vast ecosystem of libraries…  ( 4 min )

Introduction Are you facing an issue where WorkflowExecutionInfo.memo is empty even after successfully calling upsertMemo in your TypeScript application? This can be frustrating, especially after seeing the memo correctly set in your workflow execution output. Let’s dive into why this issue might occur and how to address it effectively. Understanding the Issue The main problem stems from the timing and lifecycle of updating the memo in your workflow executions. When you call the upsertMemo method, it is crucial to ensure that the memo is set correctly and acknowledged before you attempt to retrieve it from the workflow executions. In your code, the memo appears to be set successfully, as confirmed by the output of console.log. However, the memo is not persisted as expected when viewed thro…  ( 5 min )

Day 13: Today I am diving in viewcontrollers in #Xcode. Building functions for a todo app. Creating classes for the UI and functions to add tasks.  ( 3 min )

Abstract This post explores the concept of Open Source Capitalism in the Global South. We discuss how low-cost, collaborative models—empowered by blockchain and tokenized licensing models like the Open Compensation Token License (OCTL)—can foster local innovation, reduce dependency on expensive proprietary software, generate job opportunities, and promote community-driven sustainability. We also evaluate the unique challenges these regions face – from limited infrastructure and funding gaps to legal frameworks and digital divides – and propose strategies that include government support, innovative funding models, and localized education programs. Furthermore, we compare Open Source Capitalism with traditional paradigms using tables and bullet lists, and we provide insights and links from…  ( 9 min )

Due to the high salaries of web3 developers in the blockchain sector, many aspiring and seasoned web2 developers aim to learn web3 development. According to platforms like Web3 Careers, Senior Software Engineers with development experience in Solidity can earn a starting salary of $200,000 a year, and as remote-first work on dispersed teams is typical for many web3 firms, many developers find working in web3 to be an appealing career path. SOURCE: Remote Solidity Jobs – April 2025 (web3.career) With all the buzz surrounding blockchain technology and investments in web3 businesses, developers are left wondering how to get started learning web3 development and working in the web3 sector. Fear not fellow developers! In this article, we will explore a step-by-step guide on how to start learni…  ( 7 min )

Introduction: Can AI Really Talk to Animals? By studying how animals talk—even when surrounded by noise—AI might one day help humans "talk" to animals. This isn’t just fun; it can also help protect animals and learn more about the natural world. Let’s dive into the world of animals, AI, and city noise! Chapter 1: Birds chirp to call their friends or warn others about danger. Dolphins whistle and click to talk in the ocean. Dogs bark, growl, and wag their tails to show how they feel. Bees do a dance to show others where to find flowers. Even though these "languages" are not the same as human speech, they are still ways of sharing important messages. Scientists want to understand these messages better. That’s where AI comes in. *Chapter 2: * Voice assistants like Siri or Alexa Self-driving …  ( 7 min )

Daily Task Scheduler with AWS PartyRock: A No-Code GenAI Experience In today's fast-paced world, time management is key to productivity and personal well-being. Imagine having an AI assistant that builds your daily schedule with just a few inputs—no coding, no manual planning. This is exactly what I explored by building a Daily Task Scheduler using AWS PartyRock, a generative AI application builder that lets you prototype powerful apps in minutes without writing a single line of code. AWS PartyRock is a no-code platform that lets you build generative AI-powered applications with ease. It leverages foundational models from Amazon Bedrock to perform tasks like text generation, summarization, classification, and more. Developers and non-developers alike can build apps by simply dragging an…  ( 5 min )

흔히 IT 관련 미디어를 보면, 메타 라마가 오픈소스라고 많이 적혀져 있다. 물론 이것은 메타가 그렇게 주장하고 있지만, 정통 인공지능 개발자들 사이에서는 이러한 메타 라마가 오픈소스인가 아닌가에 대한 개념 논쟁이 많이 벌어졌다. 이게 무슨 말이냐고 하면, 100% 풀 오픈 소스냐? 아니면 가중치만 공개한 모델이냐? 에 대한 논쟁이다. 우리가 흔히 오픈소스(OpenSource)라고 하는 말은, 누구나 자유롭게 활용, 수정, 재배포할 수 있는 라이선스”라는 의미로 쓰인다. 실제로는 OSI(Open Source Initiative)가 공인한 라이선스인지, 아니면 사용 제한 조항(예: 비영리 사용만 가능 등)이 있는 “준(準)오픈소스” 형태인지를 구분해야 한다. 그렇다면, 이에 대해 한 번 알아보자! 현재 LLM 중에서 OSI가 승인한 오픈소스 라이선스는 다음과 같다. 종류: GPT-Neo 시리즈, GPT-J-6B**, GPT-NeoX-20B, Pythia 등 라이선스: 보통 Apache-2.0 또는 MIT (둘 다 OSI 승인) 특징 학습 코드와 모델 가중치를 공개 상업적 이용, 2차 재배포, 파생 모델 작성 모두 가능 라이선스: 보통 Apache-2.0 또는 MIT (둘 다 OSI 승인) 특징 “Base” 체크포인트는 완전한 오픈소스 단, “Instruct”나 “Storywriter” 버전은 상업적 이용/2차 저작 제한이 있는 별도 라이선스(MPL)를 적용하므로 주의 라이선스: CC-BY-SA-3.0 (또는 CC-BY-SA-4.0) 계열 + 모델 가중치에 대한 Databricks 에서 자체 공지 CC…  ( 4 min )

Converting wchar_t to UTF-8 may seem straightforward, but handling surrogate characters can complicate the process. In this article, we will delve into how wctomb works and explore alternative methods for converting surrogate characters to their UTF-8 equivalents. Understanding wctomb The wctomb function in C is designed to convert a wide character (of type wchar_t) to a multibyte character (typically in UTF-8 encoding). However, it has its limitations when it comes to surrogate pairs, which are a special way of encoding characters that are outside the Basic Multilingual Plane (BMP) in Unicode. These characters range from U+D800 to U+DFFF. When trying to convert these values using wctomb, you might encounter unexpected results. The Issue with Surrogate Characters Surrogate characters are…  ( 5 min )

Abstract: This post explores the evolution of OpenSea and the impact of open source licensing on digital marketplaces. We discuss the background of NFTs and blockchain technology, detail core concepts and features of open source licensing, and analyze practical applications and ethical considerations in marketplaces. We also provide use cases, challenges, and a future outlook focused on innovation, sustainability, and cross-platform collaboration. Intertwined with technical depth and accessible language, this post helps readers and developers understand how NFT platforms and open source technologies coexist and shape a decentralized digital economy. In recent years, digital marketplaces have undergone a revolutionary transformation thanks to blockchain technology and non-fungible tokens (…  ( 9 min )

In relational databases like MySQL, indexes are the foundation of efficient data retrieval. Among various indexing strategies, composite indexes — those spanning multiple columns — offer significant performance advantages when dealing with complex queries. This article takes a deep dive into the structure of composite indexes in MySQL, their search behavior, and the rationale behind the leftmost prefix rule. Composite Index Storage Structure As we’ve discussed earlier, let’s now refer to a previously mentioned Q&A example to explore today’s topic: the storage structure of composite indexes. In a user-submitted question about composite index storage structure, someone gave the following answer: Table T1: (a int primary key, b int, c int, d int, e varchar(20)) create index idx_t1_bcd on t1…  ( 6 min )

In the smoldering forges of Old Valyria, where currents roar like dragons and energy flows like wildfire, there sits a silent sovereign—the TWCT-T-D55. Forged in the fires of precision and crowned with 1% accuracy, this current transformer rules the Seven Realms of energy monitoring with the ruthlessness of Tywin Lannister and the cunning of Littlefinger. Let us bend the knee to the unyielding guardian of amps and volts. Chapter 1: The Forge of Dragonstone TWCT-T-D55 is no mere ironborn gadget. Cast in the Foundries of Valyrian Steel, it wields powers lost to lesser sensors: Dragonflame Precision: Measures 200A with 1% accuracy—sharper than Oathkeeper’s edge. Why it shatters the old order: Legacy CTs: Clumsy as Hodor, bumbling through phase shifts and kWh errors. Chapter 2: The War of Five Circuits The Battle of Blackwater Bay (Smart Factories): TWCTs stalk energy vampires like Arya’s List, slashing waste with Needle-like precision. “Chaos isn’t a pit. It’s a $15k savings,” they whisper. The Siege of Highgarden (Solar Farms): Guards solar arrays against hail storms and incompetence, steadfast as Brienne’s oath. “No panel left behind.” The Red Wedding (EV Chargers): Halts faulty chargers mid-zap, sparing Teslas from becoming Dothraki funeral pyres. “The North remembers… proper grounding.” The Words of House TWCT Size: Slimmer than a Braavosi blade (55mm), deadlier than a Dornish spear. The Dragons of Innovation The Dark Threats Beyond the Wall Legacy CTs: Bloat like Robert’s waistline, guzzling space and sanity. The Prophecy of the Prince That Was Measured The TWCT-T-D55 shall unite the grid.” Epilogue: Winter is Here (And It’s Electrified) References The Song of Silicon & Sparks (Maester Luwin’s Tech Scrolls) Fire & Wire: A History of Valyrian-Grade Sensors (Dragonstone Archives) A Clash of Currents (King’s Landing Energy Reports)  ( 4 min )

Fundamentals of Concurrency Concurrency: Managing multiple tasks simultaneously to improve responsiveness. Threads and asyncio operate on a single processor, switching tasks. Multiprocessing achieves true parallelism by using multiple CPU cores. Parallelism: Running tasks literally at the same time on different processors. Types of Tasks: I/O-Bound: Limited by input/output operations (e.g., network, file system). CPU-Bound: Limited by the processor's computational power. Concurrency Models Threading: Use for I/O-bound tasks. Managed by the OS (preemptive multitasking). Python module: threading, concurrent.futures.ThreadPoolExecutor. Asyncio: Best for I/O-bound tasks. Uses cooperative multitasking (tasks decide when to yield control). Requires…  ( 11 min )

def get_user_followers_count(user_id): """ 获取目标用户的粉丝量（不需要oatuth2.0 回调地址验证） user_id: 'int' '39335320' return: int """ url = f"https://api.twitter.com/2/users/{user_id}?user.fields=public_metrics" headers = {"Authorization": f"Bearer {BEARER_TOKEN}"} response = requests.get(url, headers=headers) response.raise_for_status() return response.json()["data"]["public_metrics"]["followers_count"]  ( 2 min )

In a world of growing email threats, a brand impersonation is one of the most damaging and widespread forms of phishing. As we know that organizations need more than just secure email delivery — they need visible proof of authenticity. That is why BIMI (Brand Indicators for Message Identification) comes into play. Actually BIMI allows brands to display their logo directly in recipients’ inboxes, that offering visual trust and higher engagement. However, for BIMI to function, it must depend on strong email authentication protocols already in place. BIMI is a standard that lets organizations to publish their brand logo in a specific format (SVG) through DNS. When supported by the mailbox provider, actually the logo appears next to the authenticated emails in the recipient’s inbox. This not …  ( 5 min )

Overview In today's digital landscape, creating compelling and polished content is essential for capturing and retaining audience attention. The publication should not be overly dense or difficult to read. 2500 words. On the other hand, the size should not be too small, where it can be consumed in just one minute. 800 words as the smallest size for a publication. An important point to note is the absence of any formatting symbols in the publication, such as or   . There is a recommendation for citations to be formatted as in-line links, with any recommended reading listed separately. If you use tables in your publications, please make sure that columns with less content are placed towards the end of the table, and vice versa. Additionally, I suggest placing more important columns at th…  ( 5 min )

Hi 👋, let's explore some MCP stuff with the amazon q developer cli. We shall try onboarding a new nextjs app with boilerplate code on GitHub in this exercise. We then just clone the code to our machine and run it locally. Let's get started 🚀 Install the q cli. brew install amazon-q Once installed open Amazon Q from the launchpad and follow the instructions there to integrate Q with shell, and then login with a builder ID. Let's create a directory where we can keep our mcp code. mkdir app-onboarding-with-q cd app-onboarding-with-q We can now add the github mcp config. Create a personal access token on github developer settings with access to All repositories and read and write permissions for Administration and Content. Add the mcp configuration in the directory on the file .amazonq/m…  ( 5 min )

A post by Jerome-Chauncey  ( 2 min )

When working with web custom elements in TypeScript, many developers find themselves needing to implement lifecycle callbacks such as connectedCallback(), adoptedCallback(), and attributeChangedCallback(). These methods are essential for managing your custom element’s lifecycle, but the implementation can often be confusing, especially regarding TypeScript type definitions. Understanding Custom Element Lifecycle Callbacks Custom elements are part of the Web Components standard, allowing developers to create reusable components encapsulated in their own HTML tags. Each custom element undergoes various lifecycle events as it is created, added to the DOM, updated, or removed. These lifecycle methods play a critical role: connectedCallback(): Invoked when the custom element is first connected …  ( 4 min )

Let’s face it — no developer dreams of manually tracking invoices or following up on late payments. But whether you’re freelancing, running a SaaS or building a startup, there comes a time when invoicing and cash flow become mission-critical. This is where AI agents come in — not just bots that send out templates, but intelligent systems that can understand context, adapt to situations and automate your financial operations like a pro. In this post, we’ll explain how AI-powered automation is transforming invoicing and payments — and how you can get started without becoming a finance expert. You’ve probably done this before: You manually create an invoice Email it to a client or user Hope they pay on time If they don’t? You chase, remind, and sometimes forget This might work for a …  ( 4 min )

If you're a developer looking to automate WhatsApp messages, manage customer communication, or build a chatbot using JavaScript, Venom Bot is your new best friend. In this blog, we’ll explore what Venom Bot is, how it works, how to set it up, and demonstrate real-world use cases—like sending messages, receiving chats, and even creating a simple command-response bot. What is Venom Bot? Venom Bot is a powerful and easy-to-use Node.js library that uses the WhatsApp Web protocol to automate and interact with WhatsApp. It's based on puppeteer, which launches a headless browser to emulate a user interacting with WhatsApp Web. It allows you to: Send and receive messages Read QR codes for authentication Automate responses (chatbot) Create group messages Send media (images, videos, documents) Use…  ( 4 min )

Hello, everyone, plz help me. "Please confirm the correct parameters and try again". My contract's constructor has 3 parameters, but "Constructor parameters" form is disabled in tronscan so I can't manually do. I don't wanna redeploy it because the fee is too high in TRON. I don't know how to solve it out.  ( 3 min )

Hey there, code adventurer! 👋 Remember that time you stumbled upon a GitHub repo that made you want to high-five your screen? Well, buckle up, because we're about to embark on a treasure hunt through the vast seas of GitHub, uncovering 10 mind-blowing repositories that somehow slipped under your radar this year. Trust me, I've been there – drowning in a sea of code, desperately seeking that one magical tool or library that'll make my developer life a tad easier (or at least more interesting). So, grab your favorite caffeinated beverage, and let's dive into these hidden gems together! Ever felt like your web designs were a bit too... perfect? Enter Rough.js, the library that adds a hand-drawn, sketchy feel to your graphics. It's like giving your website a charming bedhead look – effortle…  ( 6 min )

In today's world of highly distributed applications, performance, reliability, and low latency are critical for providing a seamless user experience. For businesses operating globally, ensuring that their applications are fast and responsive no matter where their users are located is a major challenge. This is where AWS Global Accelerator comes into play. In this article, we'll explore how AWS Global Accelerator works, specifically how it routes traffic through AWS's private global network and how it helps you deliver faster and more reliable experiences for your users, even when they are located far from your application's origin. AWS Global Accelerator is a service that improves the availability and performance of your global applications by routing traffic through AWS's vast network of …  ( 6 min )

Abstract In this post, we dive deep into the technological innovations of Arbitrum—a Layer 2 Ethereum scaling solution that is revolutionizing the blockchain space. We explore its background, core features, applications in areas such as NFT marketplaces and DeFi, challenges it faces, and what the future may hold. By examining technical details, interoperable benefits, and current debates around security and scalability, readers will acquire a well-rounded understanding of Arbitrum’s role in the crypto ecosystem. For more information, refer to the original article Riding the New Wave: How Arbitrum is Revolutionizing the Crypto Space. The blockchain landscape is continuously evolving, and solutions that address scalability have become crucial for sustainable growth. Arbitrum is one such in…  ( 8 min )

Over the years, I’ve interviewed around 100 software developers at Google and roughly the same number across my own companies. One thing has become very clear: Resumes don’t work. They’re too noisy. You get flooded with titles, buzzwords, and irrelevant project summaries. So I distilled everything down to one single task. One prompt I can give to anyone — junior or architect — and instantly get a signal. The task? Write a library that calculates the sum of a vector of values. That’s it. No extra requirements. The beauty is that it looks trivial — but the depth reveals itself as the candidate explores edge cases, generalization, scalability, performance, and design. Most junior candidates start like this: int Sum(int* data, size_t num_elements) { int result = 0; for (size_t i = 0; i…  ( 5 min )

Nix is now central to how I structure my workstation setups and manage development and production environments across my projects. Over time, I found myself repeating certain setups. This post is a short note on how I started working with Nix Flake templates to avoid or reduce this repetition. I am actively using Nix from my workstation setup to development environments, from Docker image builds to CI/CD pipelines, and even on production servers. One of the themes that comes up often is provisioning a codebase, a development environment and packaging configuration for a new project. What I usually do is check one of my previous projects and copy the relevant parts of the flake.nix file or default.nix and shell.nix files to the new project. It does not require too much effort. At the end, N…  ( 6 min )

With both nations investing billions into AI research, startups, and infrastructure, the world watches closely to see who will lead. The India vs China AI Race 2025 is shaping the global tech narrative and redefining Asia’s innovation ecosystem. China has long held the reputation as Asia’s AI powerhouse. With early investments in AI back in the 2010s, the country built a robust ecosystem backed by tech giants like Baidu, Tencent, and Alibaba. By 2025, China is leveraging its massive datasets, surveillance technology, and state-driven AI strategy to maintain a lead in areas such as: • Facial recognition and biometric surveillance The Chinese government’s National AI Plan, aimed to make China the world leader in AI by 2030, has shown significant milestones already achieved in 2025. While Chi…  ( 5 min )

Olá a todos! Hoje gostaria de abordar um tema que interessa a muitos: a conexão de um modelo de linguagem grande como DeepSeek ou ChatGPT com sua própria base de conhecimento. Neste artigo, vou explicar detalhadamente os princípios dos bancos de dados vetoriais e por que eles podem ser usados como parte da conexão da sua base de conhecimento com redes neurais “grandes” já prontas. Como exemplo, vamos considerar a busca na documentação da Amverum Cloud. Amverum Cloud é uma alternativa ao Heroku mais barata e fácil de implantar, com domínios gratuitos, armazenamento persistente incluído e a possibilidade de atualizar projetos via git push amverum master. Atualmente estamos desenvolvendo ativamente um agente de IA que ajudará os usuários a implantar projetos na nuvem, eliminar erros no código…  ( 27 min )

¡Hola a todos! Hoy me gustaría abordar un tema de interés para muchos: la conexión de un modelo de lenguaje extenso como DeepSeek o ChatGPT con su base de conocimiento. En este artículo, les explicaré detalladamente los principios de las bases de datos vectoriales y por qué pueden utilizarse para conectar su base de conocimiento con redes neuronales extensas ya preparadas. Como ejemplo, consideremos consultar la documentación de Amverum Cloud. Amverum Cloud es una alternativa a Heroku más económica y fácil de implementar, con dominios gratuitos, almacenamiento persistente incluido y la posibilidad de actualizar proyectos mediante Git Push Amverum Master. Actualmente estamos desarrollando activamente un agente de IA que ayudará a los usuarios a implementar proyectos en la nube, eliminando e…  ( 27 min )

Introduction If you're encountering the 'file format not recognized' error while building the GDAL project using Vagrant, you're not alone. Many developers face issues when compiling C/C++ projects, especially when working within virtual environments like Vagrant. This article will explore why this issue may occur and provide a step-by-step guide to troubleshoot and solve the problem effectively. Understanding the Issue The error message 'file format not recognized' during the linking stage of the GDAL build process typically indicates that the linker (ld) is having trouble with a specific shared object file, particularly in the context of the build environment used. This often arises from discrepancies between the build tools or library versions installed in your Vagrant box and those exp…  ( 5 min )

Backend development is the backbone of modern web applications. It manages server-side logic, data handling, authentication, and API communication. In this post, we’ll explore backend dev using a JavaScript-first approach — with Node.js, Express.js, and MongoDB as core tools. Backend dev involves: Managing servers Handling databases Writing business logic Serving REST APIs JavaScript (Node.js) – Great for full-stack JS Python – Django, Flask Java – Spring Boot PHP/Ruby – Mature, flexible choices SQL: PostgreSQL, MySQL NoSQL: MongoDB, Cassandra Use REST APIs to perform CRUD operations over HTTP (GET, POST, PUT, DELETE). Tools like Express.js make building APIs fast and flexible. Express.js (Node) Django (Python) Spring (Java) ORMs help abstract SQL: Prisma (Node.js) Hibernate (Java) Django ORM (Python) Middleware: Auth, logging, request validation Authentication: JWT, sessions, OAuth File Uploads: Multer for handling media Third-party APIs: Stripe, SendGrid, Google Login Using JavaScript for both frontend and backend keeps your codebase consistent and efficient. With Node.js + Express.js + MongoDB, you get speed, scalability, and simplicity. Backend development is essential to building robust, secure, and performant applications. Whether you’re building APIs, managing databases, or integrating third-party services — the backend is where the real logic lives. Want to level up? Start building real-world projects and practicing these concepts today. 📢 If you enjoyed this post, feel free to ❤️ or save it. 💬 Drop a comment: What's your current backend stack?  ( 3 min )

In today’s fast-moving tech world, creating software that’s robust, flexible, and scalable is crucial. Apps are becoming more complex, and users expect them to work flawlessly. To meet these demands, developers can take cues from traditional industries by breaking systems into smaller components, adhering to standard practices, and maintaining clear roles. This article explores how these industry-inspired strategies can help build software that's easier to manage, update, and scale—without sounding like a textbook. 🚀 Why Think Like a Factory Builder? 🏭 By adopting industrial principles, we can create software that's clear, repeatable, and durable. This doesn't stifle creativity; instead, it provides developers with a solid framework to focus on what makes their app exceptional. 🎨🛠️ The…  ( 5 min )

Did you know that 15% of the global population lives with a disability? That’s over a billion users who might not be able to use your website if it’s not accessible. What if your beautifully designed interface is pushing users away just because it's not readable by screen readers or hard to navigate by keyboard? The good news: Bootstrap, one of the most popular front-end frameworks, already has built-in accessibility features—you just need to know how to use them correctly. Let’s dive into how you can craft a user interface that works for everyone—and doesn’t require you to rebuild your UI from scratch. Legal compliance: Avoid lawsuits (like the famous Domino's Pizza case). SEO boost: Search engines love accessible websites. Wider reach: More inclusive = more users. Better UX for al…  ( 5 min )

Migrate Jenkins from Linux VM to macOS (Plain Installation) Step 1: Jenkins Backup Find your current JENKINS_HOME Backup Jenkins home sudo tar -czvf jenkins_backup.tar.gz /var/lib/jenkins Step 2: Transfer the Backup to Your macOS Machine Now this really depends on how you want to copy this data. Either SCP, USB, etc. I used traditional USB stick to copy this data to my Mac device. Step 3: Install Jenkins on macOS brew install jenkins-lts brew services start jenkins-lts By default, Jenkins will use /Users//.jenkins as the JENKINS_HOME. I faced an issue where Jenkins dint really start as it was not able to discover JAVA_HOME env upon running above command. Best way to get rid of this was to run this without services command jenkins-lts That the entire 2 words command to start Je…  ( 5 min )

Objective-C has long been a mainstay in the development of applications for iOS and macOS. Despite the rise of Swift, Objective-C remains a relevant and powerful language, particularly for maintaining legacy code and integrating with newer Swift code bases. As we move into 2025, understanding core patterns like delegation continues to be vital for developers working with Objective-C. Delegation is a design pattern used in Objective-C to pass messages between objects and to provide a mechanism for customization of behavior. It allows one object to delegate tasks to another, enabling a clear separation of responsibilities and enhancing the modularity of applications. Typically, a delegate object implements methods from a protocol to respond to certain events or actions occurring in the deleg…  ( 4 min )

Hello learner’s, in this article, we will discuss about the Rust language fundamentals. We’ll explore why we need Rust, What it is? And Core philosophy behind the language. Rust programming language was started in 2006 as personal project, in 2009 Mozilla sponsored project, in 2015 Rust 1.0 was released. Rust is general-purpose, multi-paradigm system programming Language. It’s designed for performance critical tasks, often handled by languages such as C and C++, used in operating systems, embedded systems, game engines etc. It also offers flexibility for command-line tools, web development and more. Essentially, rust achieves this low-level control and performance without requiring a garbage collector. Rust is built on key pillars: Safety: Rust guarantees memory safety at compile time, eli…  ( 3 min )

In one of our production data platforms, we used Lambda functions to trigger AWS Glue jobs every time a file landed in an S3 folder. That setup worked fine when there were only two or three data sources. But as the system expanded to support more than 10 folders, it required deploying and maintaining an equal number of nearly identical Lambda functions, each wired to specific prefixes and jobs. The architecture became increasingly brittle and harder to manage. This post outlines how that structure was replaced using EventBridge, with prefix-based filtering and direct Glue job targets. No Lambda. No maintenance overhead. Using S3 events to trigger Lambda comes with several limitations: A single Lambda function can’t be mapped to multiple S3 prefixes Each one requires separate deploymen…  ( 5 min )

To Understand Encapsulation please do check out last post Encapsulation is like a medicine capsule: the outer shell hides the complex ingredient inside, delivering only the intended effect to your body. You don't need to know the chemical makeup to benefit from it. Encapsulation is achieved through the use of access modifiers. Python primarily uses two types of access modifier. Private: Accessible from anywhere. Public: Accessible only within the class. Similarly, in programming, encapsulation wraps data and methods in a class, exposing a simple, controlled interface while keeping the internal details private and secure. Let say I want to make "model" attribute private so that nobody can manipulate the model name. So make it private just add '__model' So, question arise if we can't access attribute but we can access function which include the private attribute. Think of like if we have attribute which you don't want get manipulated then make it private.  ( 3 min )

Introduction If you're developing a MAUI application and are facing issues with the CarouselView control not displaying images from an ObservableCollection, you are not alone. This article will address why images may not show up in your CarouselView, even when the same image sources work perfectly with a standard Image control. Understanding CarouselView in MAUI The CarouselView in .NET MAUI is designed to display a collection of items in a swipeable format. Each item can be customized using a DataTemplate, which lets you define how each item appears. Typically, developers use ObservableCollection to bind dynamic data to CarouselView because it notifies the view of changes. However, while you may see indicators appear correctly, images may not load as expected. Common Issues with CarouselV…  ( 4 min )

Objective-C, a primary programming language used for macOS and iOS development, has always been appreciated for its unique blend of C's efficiency and Smalltalk's dynamism. A critical feature that sets it apart from other languages is its support for **dynamic typing**. This allows for a flexible development process that enhances code modularity and adaptability. But what truly is the purpose of dynamic typing in Objective-C? ## What is Dynamic Typing? Dynamic typing refers to the ability of a programming language to determine the type of an object at runtime, rather than during compile-time. This contrasts with static typing, where the type of an object is known and enforced during compilation. In Objective-C, this means you do not have to specify the class type of an object, providing …  ( 4 min )

If you're still not using Tailwind CSS JIT (Just-in-Time) mode in your development workflow, you're seriously missing out on one of the biggest productivity boosts Tailwind has ever introduced. The JIT compiler doesn't just make your builds faster—it fundamentally changes the way you write utility-first CSS. Once you try it, there’s no going back. Let’s break down why it's a game-changer for modern frontend developers, and how to make the most of it. JIT mode was introduced as a way to: Compile only the CSS classes you actually use Instantly reflect changes as you code Drastically reduce build times and output file size Enable dynamic class generation Instead of scanning your entire project ahead of time, it compiles your CSS on-demand as you save files. That means faster feedbac…  ( 4 min )

Selecting messages with a specified sum of verbosity can be challenging in SQL, especially when the goal is to find all messages where the sum of a specific column stays below a certain threshold. In this case, we want to find messages from a table with a specified verbosity value such that the summed values of verbosity for a given set of rows remain under a specified limit, N. Understanding the Problem In our example, we have a simple table named messages, which contains two columns: id and verbosity. Given the entries: | id | verbosity | |----|-----------| | 1 | 20 | | 2 | 20 | | 3 | 20 | | 4 | 30 | | 5 | 100 | When we wish to choose rows whose sum of verbosity is less than a certain value, say N = 70, we expect to select the rows with ids 1, 2, an…  ( 4 min )

Installing gems in Ruby often encounters hurdles, especially when transitioning environments, such as from Mac to Ubuntu. If you've tried installing the capybara-webkit gem on your Ubuntu machine and faced errors, you're not alone. The Gem::Installer::ExtensionBuildError indicates that the system is unable to compile the native extensions needed for the gem. In this guide, we will explore common causes of this error and provide a detailed, step-by-step solution to get capybara-webkit installed on your Ubuntu setup. Why Does the Installation Fail? The error you've encountered usually stems from several key issues: 1. Missing Dependencies The capybara-webkit gem depends on specific libraries and dependencies that must be present on your Ubuntu system. If these libraries are missing, the inst…  ( 4 min )

In this article, we are going to review components structure in /apps route in ACI.dev platform. We will look at: Locating the /apps route apps folder Components structure in apps/page.tsx This /apps route loads a page that looks like below: ACI.dev is the open source platform that connects your AI agents to 600+ tool integrations with multi-tenant auth, granular permissions, and access through direct function calling or a unified MCP server. ACI.dev is open source, you can find their code at aipotheosis-labs/aci. This codebase has the below project structure: apps backend frontend frontend ACI.dev is built using Next.js, I usually confirm this by looking for next.config.ts at the root of the frontend folder. And there is a src folder and app folder inside this sr…  ( 4 min )

Originally posted on https://blog.tavrn.top No, it’s not an acronym. It doesn’t stand for anything. But it does stand for something special. At Tavrn, we’re all about bringing people together in meaningful ways — and AHA! is one of our biggest steps in that direction. It’s our version of server discovery, but it’s so much more than a list of “popular” rooms. AHA! highlights the most active, engaging, and community-driven spaces on Tavrn. And the best part? It’s open to you. AHA! is a curated spotlight for standout servers on Tavrn. These are the communities you want to join — the ones where the chat’s always alive, the vibes are great, and something cool is always going on. Servers accepted into the AHA! Program are featured more prominently across Tavrn, from search results to homepage sh…  ( 4 min )

Recently, there's been a highly similar, truly open-source project Suna resembling Manus . The developer claims to have completed the development in a small villa in just 3 weeks, and enthusiastically shared a short video using a banana microphone. The Suna open-source address is: https://github.com/kortix-ai/suna Blog Introduction: Suna AI: the Open Source General AI Agent It topped the Github Trending chart on April 25, 2025, making it a must-try. This project relies on many online services. It took me more than 3 hours to get it running. The result after running is shown in the figure. After deploying locally, the project defaults to calling the claude-3-7-sonnet-20250219 model, and a task consumes $0.89 worth of tokens. Currently, recharging $5 to Claude requires an additional $0.…  ( 5 min )

Introduction In Rust programming, a common error developers encounter is the 'borrowed data escapes outside of method' error. This typically happens when a reference does not match the expected lifetime, causing issues during compilation. In this article, we'll explore the reasons behind this error and how you can fix it to successfully print data from your NodesHeap structure while implementing the Debug trait. Understanding the Borrowed Data Error When you implemented the fmt::Debug for your NodesHeap, you're trying to generate a debug representation of your data structure using an iterator. The specific error you received states that the borrowed data escapes outside of the method. This issue arises because in your implementation of the get_all function, the return type NodesHeapIterato…  ( 5 min )

Flutter makes building beautiful UIs fast and fun — but what happens when your app starts growing? When screens need to react to shared data? That’s when state management becomes essential. In this blog, we'll demystify state management in Flutter and help you decide between Bloc, Riverpod, and Provider — three of the most popular approaches in the Flutter ecosystem. State refers to the data your UI depends on. For example: A counter’s value Whether the user is logged in The list of items in a shopping cart State management is how we keep the UI in sync with the data — especially when multiple widgets care about the same data or when data changes over time. There are two broad types: Local state (e.g., setState inside a single widget) Global/shared state (e.g., auth status, theme, user pre…  ( 5 min )

Introduction If you're using Java Development Kit (JDK) 17 and noticing that your call to fieldClass.getDeclaredFields() returns an empty array, you're not alone. Many developers have encountered this issue when attempting to retrieve field information from classes in the Java Reflection API. The Java Reflection API is essential for inspecting classes at runtime, allowing developers to gather information about fields, methods, and constructors programmatically. However, certain security restrictions in JDK 17 can lead to unexpected behavior, including the inability to reflectively access declared fields in classes like Field.class from the java.lang.reflect package. Understanding the Root Cause In JDK 17, Java introduced a more robust module system that enforces strong encapsulation by def…  ( 5 min )

Hey Devs & Design-Fans! 👋 UI? UX? Schon mal gehört, aber immer noch ein bisschen unsicher, was genau was ist und wo der Unterschied liegt? Damit bist du nicht allein! Die Begriffe schwirren überall herum, werden aber oft durcheinandergeworfen. Keine Sorge! In diesem Post zerlegen wir die beiden Konzepte, schauen uns an, was sie bedeuten, wie sie zusammenspielen und warum du für ein erfolgreiches digitales Produkt – egal ob Website oder App – unbedingt beides auf dem Schirm haben musst. Lass uns Klarheit schaffen! 😊 Fangen wir mit UX an. User Experience (Nutzererfahrung oder Nutzererlebnis) beschreibt das Gesamterlebnis und die Emotionen, die eine Person bei der Interaktion mit einem Produkt (z.B. einer App, Website, Software) hat. Es geht darum, wie sich die Nutzung anfühlt: Ist es ein…  ( 6 min )

This article is created by Logto, an open-source solution that helps developers implement secure auth in minutes instead of months. Imagine this: You find a free online tool that promises to generate the perfect resume. You’re excited — until you hit the final screen: “Enter your email address to download your resume.” You pause. You don’t want your inbox cluttered with endless promotional emails. You just need that one quick download. This is exactly where disposable email addresses come into play — a clever invention built for moments like this. A disposable email address is a temporary, throwaway email you can use instead of your real one. Think of it like a rental umbrella — perfect for a sudden rainstorm, but not something you’d rely on forever. Services like 10 Minute Mail, Temp Mai…  ( 6 min )

This article is created by Logto, an open-source solution that helps developers implement secure auth in minutes instead of months. After serving business customers and developers for over three years, we at Logto have gained a deep understanding of the challenges and needs that companies face in the identity and access management (IAM) space. Based on our practical experience, daily conversations with users, and tracking industry trends, we have a clearer view of what makes a good IAM solution. In this article, I would like to share some of our thoughts and lessons learned. IAM is the gateway to any application. It is often the first thing users see. A difficult or confusing system not only increases the workload for developers but also directly hurts the experience of end users. We beli…  ( 8 min )

Fine-tuning in Artificial Intelligence (AI) refers to the process of taking a pre-trained model and adapting it to a specific task or dataset. Pre-trained models, especially large ones like GPT (from OpenAI) or BERT (from Google), are initially trained on massive datasets using general-purpose data. These models learn a broad understanding of language, patterns, or image features. However, for specialized tasks—like medical diagnosis, legal document analysis, or customer sentiment detection—fine-tuning helps the model learn domain-specific nuances. The process involves continuing the training of the model with a smaller, task-specific dataset while adjusting the model’s weights slightly. This method allows the model to retain its general knowledge while becoming more effective in the target domain. Fine-tuning is far more efficient than training a model from scratch, saving both computational resources and time. There are different levels of fine-tuning. Some approaches adjust only the final layers of the neural network (known as feature extraction), while others allow all layers to be updated (full fine-tuning). Techniques like parameter-efficient fine-tuning (PEFT), such as LoRA (Low-Rank Adaptation), are gaining popularity, especially for large language models, because they minimize the number of parameters updated. Fine-tuning is used in a variety of real-world applications, including chatbots, image generation, fraud detection, and more. It’s especially powerful in scenarios where labeled data is limited but high-quality outputs are essential. With the growth of open-source and pre-trained foundation models, fine-tuning has become a key skill for AI practitioners. To master techniques like fine-tuning, transfer learning, and prompt engineering, enrolling in a Generative AI certification course is highly recommended.  ( 3 min )

Abstract We introduce a novel numerical method, ExpRoot+Log, for function approximation based on a hybrid linear basis consisting of exponential-square-root, polynomial, and logarithmic components. This method achieves high accuracy across smooth, discontinuous, and rapidly decaying functions while remaining simple, interpretable, and computationally efficient. We show that ExpRoot+Log outperforms classical approaches such as polynomials, splines, Fourier series, and even neural networks in key scenarios, offering a new universal baseline for practical approximation. Introduction Function approximation is fundamental to numerical analysis, physics, machine learning, and signal processing. Classical bases—polynomials, splines, and trigonometric functions—have known limitations, especially near discontinuities or exponential decays. While neural networks provide expressive power, they are complex, opaque, and computationally expensive. We propose a new hybrid basis: This composition handles: All coefficients are learned linearly (e.g., via least-squares), ensuring ultra-fast performance and excellent stability. Numerical Evaluation We tested ExpRoot+Log against standard methods (polynomials, splines, Fourier) across six function types: Sine Exponential decay Step function Gaussian spike Absolute value Composite (piecewise mix) ExpRoot+Log consistently achieved 1–4 orders of magnitude lower error than polynomials or Fourier bases. Comparison with Classical Methods Code and Examples Open-source implementation and benchmarks: https://github.com/andysay1/exp_root_log https://crates.io/crates/exp_root_log  ( 3 min )

Introduction If you've encountered the error message while building your Flutter APK, such as ERROR: R8: java.lang.IllegalArgumentException: Provided Metadata instance has version 2.1.0, while maximum supported version is 2.0.0, you're not alone. Many Flutter developers face similar issues, particularly related to the R8 code shrinker. This article will guide you through understanding why this error occurs and how to fix it effectively. Why Does This Error Occur? The error appears when the Kotlin metadata version specified in your dependencies isn't compatible with the version used by the R8 shrinker in your build process. In your case, it indicates that the kotlinx-metadata-jvm library version you're using likely exceeds the maximum version supported by R8—2.0.0. If you've installed an up…  ( 4 min )

Problem description & analysis: The database table tbl has a string field DESCRIPTION. Task: Now we need to retrieve the word ‘EN’ and the subsequent string of numbers from the DESCRIPTION field. The string of numbers may consist entirely of digits, such as ‘10204’, or it may contain special characters, such as ‘10277/10’. Caution: Do not retrieve punctuation marks; If the string does not contain ‘EN’, return null. SQL： DECLARE @separator CHAR(1) = SPACE(1); SELECT * , REPLACE(c.query(' for $x in /root/r[text()="EN"] let $pos := count(root/r[. << $x]) + 1 return if (xs:int(substring((/root/r[$pos + 1]/text())[1],1,5)) instance of xs:int) then data(/root/r[position()=($pos, $pos + 1)]) else data(/root/r[$pos]) ').valu…  ( 6 min )

Access Control Models: ACL, RBAC, ABAC In system design, access control is a critical mechanism to ensure data security and correct authorization of functionalities. Depending on the complexity of the system, the variety of user roles, and the flexibility needed in resource management, there are three common access control models: ACL (Access Control List), RBAC (Role-Based Access Control), and ABAC (Attribute-Based Access Control). Below is a brief comparison of these three models, outlining their design logic, characteristics, and application scenarios to help clarify the selection and implementation considerations. Direct authorization, fine-grained, but difficult to manage Design Logic: User → Resource + Operation If a user has read and update permissions for the development departme…  ( 4 min )

Last March 22, hundreds of makers, students, educators, and tech advocates gathered at STI College Cubao for Arduino Day Philippines 2025, joining the global celebration of 20 years of Arduino and open source innovation. With the theme “Celebrating 20 Years of Arduino and Open Source Innovation,” this year’s event became more than just a commemoration—it was a powerful reflection of how far the local tech community has come and where it’s headed next. The event opened with warm welcomes from Marvin James Erosa and Jeferson De Leon, immediately setting a collaborative tone for the day. And in true Filipino fashion, a surprise Zumba icebreaker added the perfect energy boost to kick things off. But from there, it was all systems go—talks, workshops, demos, and inspiring stories from all corne…  ( 5 min )

Somewhere between thinking and speaking, there’s a strange place where meaning starts to solidify. It’s not quite a word yet. More like a haze of associations. A mental sketch your brain tries to translate into something shareable. Sometimes it works. Most of the time it doesn’t, at least for me. I tend to mumble a lot. That private language in your head, the one you use to talk to yourself, isn’t English or Portuguese or Python. It’s not even a language, really. It’s raw and messy. A kind of silent shorthand sculpted by experience. Try catching it. Try explaining it. It slips through like fog in your fingers. Science is already poking around in there. Researchers are feeding brain signals into neural networks and getting fuzzy images back. They’re trying to reverse-engineer what we see, d…  ( 7 min )

There’s something comforting about knowing your company’s documents are safe, backed up, and only accessible to the right people. In this post, we’ll walk through setting up Azure storage for your internal files—complete with geo‑redundancy, private containers, easy partner sharing, automated cost‑savings, file shares with snapshots, and even locking it all down to your corporate network. Grab a coffee, fire up the Azure portal, and let’s make your files bulletproof! What we’re doing: Creating a storage account that survives whole‑region outages by replicating data to another region. In the Azure portal, click Storage accounts → + Create. Select the resource group you used before. Give your account a unique name like secureclient. Under Redundancy, pick Geo‑redundant storage (GRS)—that’…  ( 5 min )

Table of Contents Introduction to API Testing 1. Smoke Testing 2. Functional Testing 3. Integration Testing 4. Regression Testing 5. Load Testing 6. Stress Testing 7. Security Testing 8. UI Testing (API Driven) 9. Fuzz Testing Conclusion Types of API Testing: A Comprehensive Guide Application Programming Interfaces (APIs) are the backbone of modern software architecture, allowing systems to communicate and share data seamlessly. API testing is critical for ensuring that these interactions are reliable, secure, and perform as expected. Various testing methodologies help validate different aspects of APIs. This article explores the most common types of API testing. Smoke Testing Purpose Smoke testing is a quick, initial check to ensure that the basic functionality …  ( 5 min )

Introduction When developing an application that requires seamless data exchange between C# and PHP, maintaining character integrity is crucial. If you've encountered issues where characters like 'é' appear as 'é' after data transfer, you're likely facing a character encoding problem. This article will guide you through understanding character encoding and how to resolve these issues effectively. Understanding Character Encoding Issues Character encoding is essential for correctly displaying and processing text data. In your case, both the C# application and the PHP server are set to use UTF-8, but inconsistencies can arise during data transfers. This usually occurs when data is transformed in a way that misinterprets the byte sequences of special characters, leading to the corruption of …  ( 4 min )

We talk about writing better test cases, improving coverage, and spotting edge cases early. But rarely do we talk about how those same instincts apply to hiring. And within 2 hours? Most Job Posts Are Noise Vague requirements Tools thrown in without context Unrealistic experience levels (10 years of Cypress? Sure.) Zero clue what kind of thinking the role actually needs I didn't want that. So I stripped it down and wrote it like I write tests: clear, intentional, and designed to reveal behavior. I ended the post with a line that acted like a trapdoor: “Want in? Send your resume and a short note on how you found your worst bug to hi@proudcloud.io.” That was the test. If you missed it, you failed silently. The Best Testers Didn’t Just Apply. They Investigated. But a smaller group took the time, wrote thoughtful bug stories, and sent real applications to the email provided. And those were the ones I called in for interviews. Some of the best candidates I’ve ever spoken to came from that post. Sound familiar? This Isn’t Just About Hiring The way you write a bug report. The way you name a test. The way you respond when something feels off, even if the build says "green." QA is never just about tools. It's about how you think. The Full Breakdown What the full post looked like How the interviews went What our actual QA hiring process is like And why I believe job posts are a mirror of team quality… I wrote the full breakdown here: Why Our QA Job Post Blew Up — And What That Says About the Industry Closing Thought Because if your words can’t pass the simplest attention check, don’t expect the right people to pass through. Your QA Overlord https://qajourney.net If you missed the last line of the job post, you wouldn’t survive our bug tracker anyway.  ( 4 min )

Introduction If you're encountering issues with your MATLAB simulation where the return simulation data doesn't match your input look-up table data, you’re not alone. This is a common situation for many engineers and data analysts who rely on simulations for accurate modeling in their projects. Understanding why the simulation data diverges from the expected results is crucial for troubleshooting and achieving reliable outputs in MATLAB. Let's delve into the potential reasons for this discrepancy and explore step-by-step solutions to ensure that your simulations yield accurate results. Common Reasons for Discrepancies in MATLAB Simulations 1. Interpolation Errors When using look-up tables, MATLAB typically performs interpolation to fill in gaps between data points. If your input data is sp…  ( 5 min )

A restFull API to get data of all the launches done by ISRO! it is now open source and would love you guys to explore the codebase and make your contributions to it! here's the link to postman documentation: https://www.postman.com/spaceflight-geologist/vyomtracker-api/documentation/axink7u/vyomtracker-api here's the repo link: https://github.com/kartikshukla17/vyomtracker-api Hi guys! 🚀 Making VyomTracker-API public! 🎉 It provides details on all ISRO launches via the API. 🌌 It's open-source! Anyone can contribute by checking the README and Postman docs for a brief understanding. Check it out here: https://t.co/vb5yjBfelB#OpenSource #API #ISRO — Kartik Shukla (@kartik_shukla17) April 30, 2025  ( 3 min )

※This is an English translation of the original Japanese article: https://dev.classmethod.jp/articles/snowflake-generation-2-standard-warehouses/ This is Sagara. Snowflake has released new warehouses with improved performance, called "Generation 2 standard warehouses". https://docs.snowflake.com/en/release-notes/2025/other/2025-05-05-gen2-standard-warehouses I tried comparing the speed of these new warehouses with traditional ones, and I'll summarize the results here. Below is a translation of a quote from the official documentation. "Generation 2 standard warehouses" are the next generation of Snowflake's current standard virtual warehouses, focused on improved performance. Generation 2 standard warehouses (Gen2) are an updated version (“next generation”) of Snowflake’s current standard v…  ( 6 min )

Introduction When working with integration tests in .NET 8, especially when utilizing secrets such as clientId and clientSecret, many developers face issues of empty secret values during pipeline execution. This common problem typically arises in environments like Azure DevOps where secrets must be correctly configured and utilized in the pipeline. Understanding the Problem In your scenario, it seems the Azure DevOps pipeline does not recognize the secrets added to the library asset group, leading to the variables clientId and clientSecret being empty. This can happen due to various reasons such as misconfiguration of variable groups, permissions, or pipeline setup. Let’s break down the potential issues and guide you through resolving them. Step-by-Step Guide to Fix Empty Secrets To rectif…  ( 4 min )

Originally posted at https://qckfx.com/blog/why-engineering-teams-should-build-their-own-ai-coding-agents Imagine walking into an engineering department three years from now. The highest-performing teams will be defined by the proprietary AI systems they've built, customized for their specific codebases, architectural patterns, and business domains. These teams will wield AI as a strategic differentiator, not merely consume it. This is where our industry is clearly headed. As AI increasingly becomes the primary author of code across industries, the strategic advantage will shift from who can write the best code to who can best direct, customize, and optimize AI systems to write that code. The best engineering teams won't achieve these results by simply adopting off-the-shelf AI coding tool…  ( 7 min )

I've worked in several agile teams as both a developer and lead developer. One particular project sticks in my mind — a team of ten people, dozens of microservices, and a lot of GitLab repositories to manage. During each sprint, we were juggling features across multiple repos. At the same time, we were responsible for reviewing each other’s code. Our typical flow was: Open a merge request (MR) on GitLab Move the related Jira ticket Share the MR link in a Teams channel Move on to the next story When the workload was light, it was manageable. But in busy sprints, reviews piled up quickly. Large MRs got ignored, or rushed through. And tracking what was waiting, what was blocked, or what still needed input? A mess. We experimented with several ideas: Using GitLab labels like needs-review or blocked Adding Jira tags Rotating reviewer ownership by repo each sprint They helped — but they didn’t solve the root problem: lack of visibility and timing. Code reviews were often asynchronous and scattered. We were switching contexts constantly, jumping between repos, and forgetting which contributions needed our attention. We didn’t need more tools — we needed a better way to surface and track reviews. Something that would: Give us a unified view of MRs Let us know what’s ready to merge, what’s waiting, and what’s blocked Respect our flow, instead of interrupting it That’s when I started working on a side project, aiming to solve this specific pain point. That side project became Bellugo — a contribution tracker designed to help teams stay on top of reviews across repositories without the chaos. It’s still a work in progress, but if this resonates with your team, I’d love for you to check out the landing page and maybe join the private beta waitlist.  ( 4 min )

If you're looking to streamline your HTML documents by replacing empty anchor () tags with text indicators based on their unique page IDs, you're in the right place. This is a common scenario in web development where removing or replacing tags can enhance readability and maintainability. In this article, we will use Bash commands with regular expressions to achieve this. Understanding the Problem In your HTML files, you may come across instances of empty tags that serve as placeholders. For example: some text Your goal is to replace these tags with: 123 some text 124 The new tags will display the page IDs (without the 'page_' prefi…  ( 4 min )

Building `Map::Tube::` maps, a HOWTO: weaving a web Paul Cochrane 🇪🇺 ・ May 2 #perl #git  ( 2 min )

So, you're self-hosting awesome apps like Jellyfin, Home Assistant, or your personal blog with Docker. You want that sweet, sweet HTTPS padlock for secure connections, and Let's Encrypt is the obvious choice for free SSL certs. Awesome! You set up your reverse proxy (maybe Traefik, because it's slick!), point it to your app, and tell it to get a certificate... only to hit a wall. Why? Meet the home networker's nemesis: ISPs blocking incoming port 80. The Standard Way (and the Wall) Let's Encrypt's default validation method, HTTP-01, is simple: their servers try to access a special file on your server over standard HTTP (port 80) to prove you control the domain. Let's Encrypt -> Your Public IP:80 -> Does challenge file exist? -> OK! Cert Issued! But if your ISP blocks incoming connections …  ( 5 min )

Learning Redux is a real pain in the @#$#$^&. Good thing the team I was on at the time I learned it highly valued taking the time to learn, because it took me a good 30 out of 40 hours of a work week to figure out what the eff was going on. Once I finally did learn it however, I realized that the majority of what slowed me down in the learning process was that I couldn’t find a great explanation of exactly what Redux was doing. All I could find were tutorials on how to use it, and not really very much info on how it worked. I’m going to try to solve that issue with this post. I’m also going to assume that you know how to use React, and that you know what Redux is and why you want to learn it. I’m also only covering the very basics of Redux and what you need to know to be able to hopefull…  ( 5 min )

The Testing Time Crisis When our team started building a new fintech application last year, we hit an unexpected bottleneck: testing time. With multiple user roles, complex verification flows, and strict security requirements, our QA cycles grew from days to weeks. This wasn't just frustrating—it was directly impacting our release velocity and team morale. After several painful sprints, we implemented five changes to our testing approach that dramatically reduced our testing time without compromising quality. I'm sharing these because they've been game-changers for us, and they might help your team too. One of our biggest time sinks was manually creating test users with different permission levels. We solved this with an automated provisioning system. // Example of our user provisioning …  ( 5 min )

Introduction As developers, we all face the hidden challenge that rarely gets discussed in coding tutorials: generating and managing test user data at scale. This becomes particularly problematic when building applications requiring email verification, multi-user testing, or complex authentication flows. After struggling with this issue on several projects, I've discovered some effective approaches worth sharing. If you've ever found yourself creating multiple Gmail accounts just to test a simple registration flow, you know the pain I'm talking about. Let me break down the key challenges: Verification Bottlenecks: Email verification is now standard for most applications, but creating and accessing multiple real email accounts is tedious Data Persistence: Temporary email services often ex…  ( 4 min )

How to Set Up Next.js 15 for Production in 2024 Jan Hesters ・ Nov 19 '24 #nextjs #webdev #react #tutorial  ( 2 min )

Daily JavaScript Challenge: Capitalize the First Letter of Each Word in a String Hey fellow developers! 👋 Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp! Difficulty: Easy Topic: String Manipulation Given a sentence, your task is to capitalize the first letter of each word. Words are separated by spaces, and no punctuation needs to be considered. Return the resulting string with each word capitalized. https://www.dpcdev.com/ Fork this challenge Write your solution Test it against the provided test cases Share your approach in the comments below! Check out the documentation about this topic here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/toUpperCase How did you approach this problem? Did you find any interesting edge cases? What was your biggest learning from this challenge? Let's learn together! Drop your thoughts and questions in the comments below. 👇 This is part of our Daily JavaScript Challenge series. Follow me for daily programming challenges and let's grow together! 🚀 javascript #programming #coding #dailycodingchallenge #webdev  ( 14 min )

🎯 Learning Goals What are the characteristics of Singly Linked Lists? What are its time complexities? ListNode? Has a value and a next pointer next is a reference to another ListNode Order in memory may not be contiguous (unlike arrays which are) Simple while loop with a current pointer can be used: cur = ListNode1 while cur: cur = cur.next ⌚ Time complexity is O(n) , where n is the number of nodes in the linked list Now if the Linked List is circular (i.e. last node points back to first) traversing like this would cause an infinite loop. It would be helpful if we’re keeping track of the head and the tail of the linked list using pointers Advantage over array is that inserting is always O(1) even if we insert in middle. Let’s say we wanna add at the end or tail : tail.next = NewListNode tail = NewListNode # or this line 'tail = tail.next', both are correct ⌚ Time complexity is O(1) Removing any node is constant time ASSUMING we have a pointer to the previous node. Let’s say we wanna remove the second node: head.next = head.next.next # Just set the next pointer of head to the one after the deleted node Can be assumed that garbage collection will take place for the deleted node ⌚ Time complexity is O(1) For both of these operations, the caveat is if we don’t have a reference to the node at the desired position (head or tail), the time will still be O(n) Operation Big-O Reading/ Access O(n) Traversal/ Search O(n) Insertion O(1)* Deletion O(1)* *Assumes you have a reference to the node at the position (if not it is O(n) ) 206. Reverse Linked List (Link) 21. Merge Two Sorted Lists (Link)  ( 4 min )

Sen. Richard Blumenthal wrote letters to Trump-affiliated business executives, asking about their ownership and investment structure.  ( 27 min )

Crypto markets are in a holding pattern as capital rotation from altcoins pushed bitcoin's market share to fresh 4-year high.  ( 25 min )

The CFTC appealed a federal judge’s ruling last year clearing Kalshi’s listing of a political prediction market, arguing that it presented a “profound” harm to the public.  ( 25 min )

Governor Kelly Ayotte signed a bill into law that allows the investment of a portion of the state's public funds in precious metals and crypto assets.  ( 27 min )

Blockchain-based dollar infrastructure holds enormous opportunities for the U.S. But only if it treats the technology wisely, says John deVadoss.  ( 27 min )

Democrats abandoned a joint hearing of two committees on crypto policy, inviting people to instead attend their own discussion of Trump's "crypto corruption."  ( 28 min )

Compass Point slashed Marathon’s price target to $9.50, warning of dilution and premium bitcoin exposure.  ( 25 min )

The hub has 70 participants including Accenture, KPMG and CaixaBank.  ( 24 min )

Formerly known as Janover, the company's SOL holdings are worth more than $57 million at current prices.  ( 23 min )

Ahead of the People’s Regulatory Roundtable at Consensus 2025, six leading crypto lawyers discuss whether core crypto principles, like decentralization and privacy, will be included in upcoming legislation and regulation.  ( 33 min )

Democratic Senator Chris Murphy pushed a bill to block presidential coins while Elizabeth Warren described how to get Dems to move forward on stablecoins.  ( 28 min )

The Canadian firm is betting on Solana by using debt financing to scale its validator footprint and crypto holdings.  ( 25 min )

If approved, the fund would be the first exchange-traded fund tied to BNB in the U.S.  ( 24 min )

The token has traded like an unweighted mix of bitcoin and ether since May 2021, the report said.  ( 24 min )

The product allows investors to add CRO exposure to their portfolios without handling crypto wallets or exchanges.  ( 23 min )

Sui (SUI) fell 7.7% and Aave (AAVE) declined 7.5%, leading the index lower.  ( 22 min )

Benchmark's Mark Palmer initiated coverage on the firm's roughed-up shares with a buy rating and $3 price target.  ( 24 min )

The funding will enable DogeOS to support a variety of consumer apps, enhancing the Dogecoin ecosystem and its decentralized finance services.  ( 25 min )

We have only seen some nuanced demand for protective BTC puts, reflecting limited caution among sophisticated traders, Deribit's CEO told CoinDesk.  ( 27 min )

Your day-ahead look for May 6, 2025  ( 37 min )

Citi will act as a custodian and issuer agent for tokenized assets on SDX’s digital Central Securities Depository (CSD) platform.  ( 27 min )

The newly formed Sentora aims to offer a compliant DeFi platform for sophisticated investors looking for yield, liquidity and risk management.  ( 26 min )

The collaboration will enhance mapping accuracy by combining Natix’s network with Grab’s mapmaking technology.  ( 24 min )

The two bills, which were both filed in February, sought to allow investment of public funds in BTC  ( 23 min )

Figment is targeting regional players on Cosmos and Solana networks at a time in which pro-crypto U.S. policy is fueling dealmaking  ( 24 min )

Bitcoin bulls may run into significant selling pressure at around $99,900, on-chain data show.  ( 24 min )

VIRTUAL, the cryptocurrency of the Base-native Virtuals Protocol, has surged 207% in 30 days, outperforming major cryptocurrencies like bitcoin  ( 25 min )

DeFi tokens such as Hyperliquid’s HYPE are up 70% in the past week, a sign of traders favoring fundamentals as capital allocators remain cautious with their money.  ( 27 min )

Bitcoin Core’s decision to lift its long-standing 80-byte OP_RETURN limit has reignited tensions within the network’s developer and node-running communities.  ( 25 min )

"RLUSD is proving their value in real-world applications like donations and large-scale transactions,” an XRP Ledger developer said.  ( 25 min )

The quarterly report in its current form will be sunset with newer versions delivering additional insights to reflect institutional usage of XRP.  ( 26 min )

Experts predict Litecoin to have the best chances of approval by the end of this year.  ( 24 min )

Digital asset manager Bitwise has filed to list a spot Near exchange-traded fund with the US Securities and Exchange Commission, adding to a growing list of altcoins currently vying to win regulatory approval. The Bitwise Near (NEAR) ETF will track the price movements of the NEAR token, minus expenses, through a traditional brokerage, Bitwise’s May 6 registration statement shows. Bitwise named Coinbase Custody as the proposed custodian of the Bitwise NEAR ETF. The management fee, ticker and stock exchange it seeks to list on weren’t named yet.  Source: Cointelegraph Bitwise must also file a 19b-4 filing with the SEC to kickstart the regulator's approval process for the fund. The crypto native asset manager indicated it would make such a filing when it registered a trust linked to the NEAR …

The US Commodity Futures Trading Commission (CFTC) is seeking permission from the court to drop an appeal against prediction market Kalshi. The move could allow the platform to offer political event contracts to users without contest. In a May 5 filing in the US Court of Appeals for the District of Columbia Circuit, lawyers for the CFTC filed an unopposed motion for voluntary dismissal, suggesting an agreement with Kalshi. The motion, subject to approval by the court, could end the CFTC’s appeal against a federal court ruling that the financial regulator could not bar Kalshi from listing political event contracts, i.e., bets on elections. Motion to dismiss appeal filed by the CFTC on May 5. Source: Courtlistener Kalshi stipulated in a joint filing that the company would “bear its own costs…

Tether, the issuer of the world’s largest stablecoin by market cap USDt (USDT), has announced a partnership with Chainalysis that will integrate the company’s compliance and monitoring tools onto Tether’s tokenization platform. The move comes amid expanding oversight across the crypto industry. Launched in November 2024, the Hadron by Tether platform is designed for institutions, corporations and governments, entities that may be interested in tokenizing real-world assets ranging from financial instruments and real estate to debt and commodities. The months following the launch have seen increased adoption of real-world asset (RWA) tokenization. According to RWA.xyz, the total RWA market amounts to $22.1 billion, up 10.5% in the past 30 days. There are a total of 100,115 holders of RWA to…

A group of crypto traders reportedly purchased millions of dollars worth of Melania Trump’s memecoins minutes before she announced the launch on social media. According to a May 6 Financial Times report, the crypto traders earned roughly $100 million from buying $2.6 million worth of MELANIA tokens before the public launch on Jan. 19. Shortly after Trump announced the memecoin launch on social media, the price surged from roughly $2.00 to $12.95 — a 550% increase. The traders reportedly sold their holdings within 12 hours. “In total, the 24 accounts bought up 16.7mn of the 200mn total $MELANIA tokens scheduled for sale during the launch period,” the Financial Times reported. “[...] the run of sales that started pre-launch continued. About $900,000 worth of tokens bought by an additional 22…

Key Takeaways: The Fed may pause rates but inject liquidity. Crypto could rally as a recession hedge. The weak US dollar and gold rally signal a shift to scarce assets. The US Federal Reserve Open Market Committee (FOMC) interest rate decision on May 7 will be a defining moment for risk-on assets, including cryptocurrencies. While the consensus points to no change in interest rates, Bitcoin (BTC) and altcoins could see gains if the US Treasury is compelled to inject liquidity to stave off an economic recession. A more accommodative monetary policy could stimulate activity, but the Federal Reserve (Fed) is also contending with a weakening US dollar. Some analysts argue that a US interest rate cut may fail to stimulate growth as recession risks persist, potentially creating an ideal envir…

21Shares has launched an exchange traded product (ETP) in Europe, providing investors with exposure to Crypto.com’s Cronos token, the asset manager said.  The ETP is listed on Euronext’s Paris and Amsterdam exchanges, 21Shares said in a May 6 announcement.  Cronos (CRO) is a layer-1 blockchain network affiliated with Crypto.com, a centralized exchange.  The chain is designed to integrate with the Ethereum and Cosmos ecosystems and support “decentralised finance (DeFi), NFTs, and Web3 applications,” 21Shares said.  The ETP aims to provide investors with a “straightforward way to integrate CRO into their portfolios through traditional banks and brokers, eliminating the need to directly handle digital wallets or exchanges,” 21Shares said.  The CRO token’s historical performance. Source: CoinM…

Key Takeaways: Data shows Bitcoin bulls opening margin long positions from $94,400. A $189 million increase in Bitcoin futures open interest and a 15% increase in trading volume show sustained buying interest. BTC momentum tends to slow before FOMC meetings and then turns volatile afterward. The same could happen following this week’s Federal Reserve statements. Bitcoin (BTC) bulls are holding strong around the $94,500 level as the market awaits the Federal Open Market Committee (FOMC) meeting on May 7. Bitcoin analyst Axel Adler Jr. noted BTC’s price strength and pointed out a bullish cluster of long positions forming around $94,400 in the futures market. A similar cluster was observed at the end of April, which pushed BTC prices to $97,500. Bitcoin futures position dominance data. So…

Key takeaways: Solana’s stablecoin supply rose by 156% in 2025, to hit a new record at $12 billion. Solana’s TVL grew by 25% to $7.65 billion, with 27.7% decentralized exchange volume share, leading Ethereum and BNB Chain. SOL price formed a bull flag, with a price target at $220. Solana’s native token, SOL (SOL) failed to maintain its bullish momentum after reaching $156 on April 25, but an assortment of data points suggests that the altcoin’s upside is not over. SOL stablecoin market cap hits $13 billion Solana’s stablecoin supply has skyrocketed by 156% in 2025, surging past $13 billion to hit a new all-time high. Stablecoins on Solana recently surged past $13B in issuance, setting a new ATH@calilyliu on why Solana is purpose-built for moving digital dollars at internet speed pic.t…

Kelly Ayotte, the Governor of New Hampshire, signed a bill into law allowing the state’s treasurer to invest in cryptocurrencies, including Bitcoin (BTC). In a May 6 notice, Ayotte announced on social media that New Hampshire would be permitted to “invest in cryptocurrency and precious metals” through a bill passed in the state Senate and House of Representatives. House Bill 302, introduced in New Hampshire in January, will allow the state’s treasury to use funds to invest in cryptocurrencies with a market capitalization of more than $500 billion, eliminating many tokens and memecoins. Signing New Hampshire’s crypto reserve bill into law on May 6. Source: Governor Kelly Ayotte With the signing of the bill into law, New Hampshire was the first of several US states considering passing legislation to establish a strategic Bitcoin reserve, including an initiative with the federal government. A similar bill in Arizona passed the state’s House in April but was vetoed by Governor Katie Hobbs on May 2. This is a developing story, and further information will be added as it becomes available.

Asset manager Standard Chartered predicts that Binance’s ecosystem token, BNB, could more than double in price this year, according to an analyst report reviewed by Cointelegraph.  The asset manager sees BNB’s price rising to approximately $1,275 per token by the end of 2025 and as high as $2,775 by the end of 2028, according to the research report.  As of May 6, BNB trades at nearly $600 per coin, for a fully diluted value (FDV) of approximately $84 billion, according to data from CoinMarketCap. Price forecasts for BNB. Source: Standard Chartered “BNB has traded almost exactly in line with an unweighted basket of Bitcoin and Ethereum since May 2021 in terms of both returns and volatility,” Geoff Kendrick, an analyst at Standard Chartered, wrote in the research note.  “We expect this relat…

Key Takeaways: The Bitcoin Risk-Off signal dropped to 23.7, its lowest since March 2019, indicating low correction risk and a high likelihood of a bullish trend developing. Despite the recent decline in network activity, bullish macro indicators like the Macro Chain Index (MCI) suggest Bitcoin could soon rally above $100,000. On May 5, the Bitcoin Risk-Off signal, an indicator that uses onchain and exchange data to assess correction risk, dropped to its lowest level (23.7) for the first time since March 27, 2019, when Bitcoin (BTC) traded at $4,000. The signal is currently in the blue zone, which historically suggests low correction risk and a high probability of a bullish trend. When the oscillator rises above 60 or turns red, it implies a high risk of bearish movement.  Bitcoin Risk-O…

TL;DR: Not sure if you’re in a bull or bear market? This guide breaks down how to spot the difference using price action, volume, sentiment and onchain data. Learn how to recognize market cycles, what signals to watch for and how to adjust your strategy for each phase so you can trade smarter. Crypto markets can feel like emotional rollercoasters, prices soaring one month, then crashing the next. You're not alone if you’ve ever wondered whether you are in a bull or a bear market. In the simplest terms: A bull market is when prices keep going up, people are excited and there’s a general sense that the future is bright. Think back to late 2020 and early 2021; Bitcoin (BTC) climbed from around $10,000 to nearly $70,000. New projects were launching daily and it felt like everyone from your co…

For months, Cointelegraph took part in an investigation centered around a suspected North Korean operative that uncovered a cluster of threat actors attempting to score freelancing gigs in the cryptocurrency industry. The investigation was led by Heiner Garcia, a cyber threat intelligence expert at Telefónica and a blockchain security researcher. Garcia uncovered how North Korean operatives secured freelance work online even without using a VPN. Garcia’s analysis linked the applicant to a network of GitHub accounts and fake Japanese identities believed to be associated with North Korean operations. In February, Garcia invited Cointelegraph to take part in a dummy job interview he had set up with a suspected Democratic People’s Republic of Korea (DPRK) operative who called himself “Motoki.”…

Opinion by: Barna Kiss, CEO of Malda An idea recently floated by some prominent thinkers in the Ethereum space to reclaim value for the mainnet is the taxing of its Layer-2s. The future of Ethereum does not depend on policy but on enabling frictionless capital movement between the L2s in question. Tariffing rollups may appear a neat way to reclaim value for the mainnet. In practice, it would fragment the ecosystem, drain liquidity, push users toward centralized platforms, and avoid decentralized finance altogether. In a permissionless system, capital flows to where it is treated best, and Ethereum's rollups mistreat it. Liquidity fragmentation is Ethereum's real threat In traditional finance, the link between fluidity and growth is well established. Lower barriers to capital inflows lead …

Why finance veterans are still skeptical about blockchain Blockchain has been part of the finance conversation for over a decade now. Yet many professionals remain cautious.  Many seasoned professionals in finance, wealth management and economics often question blockchain’s relevance, asking, How exactly is blockchain supposed to fit into what we already do? This question reflects a few key ongoing skepticisms about blockchain within finance. Uncertainty about practical applications Blockchain offers some big promises: faster settlements, stronger security and better transparency. But actually applying those promises across banking, accounting and operations is still complicated. A 2021 APQC survey identified the main hurdles: a lack of industry-w…

Representative Maxine Waters, ranking member of the House Financial Services Committee (HFSC), led Democratic lawmakers out of a joint hearing on digital assets in response to what she called “the corruption of the President of the United States” concerning cryptocurrencies. In a May 6 joint hearing of the HFSC and House Committee on Agriculture, Rep. Waters remained standing while addressing Republican leadership, saying she intended to block proceedings due to Donald Trump’s corruption, “ownership of crypto,” and oversight of government agencies. Digital asset subcommittee chair Bryan Steil, seemingly taking advantage of a loophole in committee rules, said Republican lawmakers would continue with the event as a “roundtable” rather than a hearing. HFSC Chair French Hill urged lawmakers at the hearing to create a “lasting framework” on digital assets, but did not directly address any of Rep. Waters’ and Democrats’ concerns about Trump’s involvement with the crypto industry. He claimed Waters was making the hearing a partisan issue and shutting down discussion on a digital asset regulatory framework. This is a developing story, and further information will be added as it becomes available.

Binance co-founder Changpeng “CZ” Zhao expects Bitcoin’s price to top at $500,000 to $1 million during this market cycle. During an interview with Rug Radio published on May 5, Zhao said that he expects Bitcoin to reach up to one million dollars during this market cycle. He also highlighted the role of Bitcoin spot exchange-traded funds (ETFs) in this rise, saying that the increasing institutionalization of Bitcoin is a good thing for the market: “There’s the ETFs. There’s this institutionalization of Bitcoin [ … ] it’s a positive in terms of price action, obviously. Our bags are up  —  not the alt‑coins as much, but at least Bitcoin is.” Zhao explained that the ETFs are “bringing the traditional institution money into crypto” and “most of the money in the US is institutional money.” He sa…

Investment bank Citi and Switzerland’s SIX Digital Exchange (SDX) are teaming up to modernize traditional private markets through tokenization. The initiative, revealed during the Point Zero Forum in Switzerland, will leverage SDX’s blockchain-based Central Securities Depositary (CSD) platform to tokenize, settle, and safekeep assets, according to a May 6 announcement. The platform, expected to go live by the third quarter of 2025, will make late-stage, pre-initial public offering (IPO) equities accessible to institutional and eligible investors globally. For issuers, the project offers a compliant and scalable framework to manage liquidity, particularly for early investors and employees, while maintaining cap table control. For investors, it opens access to high-growth, venture-backed com…

Southeast Asia’s superapp Grab has partnered with Natix, a project within Solana’s decentralized physical infrastructure network (DePIN), to cooperate on mapping and autonomous driving technologies. The joint collaboration aims to combine Natix’s blockchain-based mapping data with Grab’s camera hardware and mapmaking technology featuring artificial intelligence support, Natix said in an announcement on May 6. “This partnership brings together the best of both worlds,” the announcement noted, pointing to Grab’s expertise in crowdsourced mapping and Natix’s unique DePIN model that rewards users for providing decentralized data input. Source: Natix “By combining GrabMaps’ AI-powered mapping technology with Natix’s decentralized data network, we’re enabling real-time, high-fidelity map updates…

Key points: Bitcoin is struggling again as gold retakes the limelight with week-to-date gains of nearly 5%. Bitcoin’s correlation with gold is under scrutiny amid ongoing macroeconomic shifts. Traders see a short-term slump amid a wider BTC price rebound. Bitcoin (BTC) eyed fresh month-to-date lows into the May 6 Wall Street open as “directionless” crypto markets contrasted with a gold rebound. BTC/USD 1-hour chart. Source: Cointelegraph/TradingView Analysis: Bitcoin, crypto “largely directionless” Data from Cointelegraph Markets Pro and TradingView showed BTC price momentum stalling at $95,000 before the latest daily close.  Inching closer to the key yearly open support level at $93,500, BTC/USD appeared caught in limbo while gold returned to outperform. XAU/USD was up 1.5% on the day…

Democratic lawmakers in Washington are backing off support for crypto legislation amid heightened concerns over corruption, including the conduct of the Trump family’s World Liberty Financial (WLFI). In March, the GENIUS Act, which would regulate stablecoins in the US, passed a critical committee reading with the support of several pro-crypto Democrats. Democratic Senators Ruben Gallego, Mark Warner, Lisa Blunt Rochester, Andy Kim and Angela Alsobrooks voted with Republicans, opposite lead Democrat and prominent crypto critic Senator Elizabeth Warren. The bill passed the committee only after a number of changes were made, including stricter requirements for stablecoin issuers and provisions for Anti-Money Laundering, countering terrorism financing and risk management procedures.  Now, it s…

Key takeaways: Ripple's end-to-quarterly market report fuels uncertainty, impacting XRP price negatively. Low open interest in XRP futures signals weak trader confidence. XRP price technicals weaken with resistance at $2.27 and declining RSI. XRP (XRP) fell on May 6, down 3% in the last 24 hours to trade at $2.09, due to numerous factors. Its trading volume has increased by 25% over the same period to $2.5 billion, reinforcing the momentum of the bears.  XRP/USD four-hour chart. Source: Cointelegraph/TradingView Let’s look at the factors driving the XRP price down today. Ripple’s discontinues quarterly reports On May 5, Ripple revealed plans to end its quarterly XRP markets report, which it has released since 2017. The company attributed the decision to the reports falling short of exp…

Key takeaways: Bitcoin’s Coinbase premium index turned negative for the first time in 15 days, indicating defensive short-term sentiment among US investors. Bitcoin CME futures gaps between support at $92,000-$92,500 and resistance at $96,400-$97,400 suggest a period of range-bound trading. Bitcoin’s Coinbase premium index, which measures the gap between BTC price at Coinbase Pro and Binance exchange, turned negative after a 15-day positive stint, signaling potential bearish sentiment among US investors. This drop coincides with Bitcoin (BTC) slipping below $94,000, and the premium’s decline suggests reduced buying pressure on Coinbase, which is viewed as a proxy for both institutional and retail demand. Bitcoin Coinbase premium. Source: CryptoQuant Cointelegraph reported early signs …

While blockchain infrastructure may be ready for institutional use, many legal teams at large firms remain cautious about full integration with the technology.  At the Token2049 event in Dubai, DoubleZero Labs founder and former Solana head of strategy Austin Federa told Cointelegraph that today's high-performance blockchains like Solana are technically capable of supporting large-scale institutional usage. However, lawyers still need to catch up.  “Most blockchains nowadays, especially things like Solana, are fast enough for institutions to use them,” Federa said. “It’s really more about the institutions and the institution’s lawyers getting comfortable with crypto.” Federa added that institutional lawyers and compliance teams are still addressing regulatory concerns. The executive said t…

Decentralized autonomous organization (DAO) HydraDAO claims that its researchers were able to use a novel technique to repair severed spines in rats. In a May 5 X post, decentralized science (DeSci) project HydraDAO said that one of its research projects resulted in “rats who had their spines fully transected” being able to walk again. More notably, recovery from surgery reportedly only took five days. Source: HydraDAO The post featured a video of partially shaved (presumably due to surgery) rats walking in what appeared to be a laboratory setting. The effort in question is the Dowell spinal fusogens project led by Michael Lebenstein-Gumovski, which raised 380,700 USDC (USDC) from donors. The dedicated HydraDAO page reads: “The Dowell team submitted a project proposal to HydraDAO. After ca…

Key takeaways: Berkshire holds $347B in cash, enough to buy ~18% of Bitcoin’s supply. Greg Abel has not signaled a shift from Warren Buffett’s anti-Bitcoin stance. Berkshire already has indirect crypto exposure via Nu Holdings, Jefferies. Warren Buffett announced at Berkshire Hathaway's annual shareholder meeting on May 3 that he will step down as CEO by the end of 2025, with Greg Abel taking over. This transition raises speculation about Berkshire’s financial capacity to purchase Bitcoin (BTC) under the new leadership. Source: Discover Crypto Berkshire can easily surpass Strategy’s BTC stash Berkshire ended Q4 2024 with a record $347 billion in cash and US Treasury bills, representing about 32% of its $1.1 trillion market capitalization. The company could acquire approximately 3.52 …

What is the Paws Telegram Mini App? Paws is a Telegram-based Mini App created by the same team behind other projects, such as Notcoin and Dogs.  If you’ve been cruising around Telegram lately, chances are you’ve stumbled upon Paws, the viral crypto Mini App that’s got everyone tapping, clicking and inviting their friends like it’s 2010 FarmVille all over again.  Originally launched in October 2024 on The Open Network (TON) blockchain, Paws exploded in popularity with its ultra-simple tap-to-earn concept. Think of it as a gamified rewards engine embedded directly in Telegram, where users rack up points by completing tasks, referring others and interacting with mini-game elements.  Within just eight days of going live, Paws pulled in over 20 million …

Petr Kozyakov, CEO of crypto payments platform Mercuryo, told Cointelegraph that the future of finance may not be a winner-takes-all scenario but a blend of digital assets and fiat, each used where it makes the most sense.  In a Cointelegraph interview, Kozyakov said that while crypto payments are seeing an increase in adoption and demand, the asset class won’t be fully replacing fiat money anytime soon. He said the two asset classes will coexist, with people choosing the more convenient payment option in different situations.  “We don’t think crypto will replace fiat,” Kozyakov told Cointelegraph. “They will coexist, and people will turn to crypto when it’s the easier, more practical option, whether that’s for payroll, yield or money transfers.” Mercuryo Petr Kozyakov at the Token2049 eve…

Veteran US Internal Revenue Service (IRS) official Trish Turner was appointed to lead the agency’s digital assets division following the departure of two key crypto-focused executives. Turner, who has spent over 20 years at the IRS and most recently served as a senior adviser within the Digital Assets Office, will now head the unit, according to a report from Bloomberg Tax citing a person familiar with the situation. Her promotion marks a significant leadership transition at a time when US crypto tax enforcement is facing both internal and external pressures. On May 5, Sulolit “Raj” Mukherjee and Seth Wilks, two private-sector experts brought in to lead the IRS’s crypto unit, exited after roughly a year in their roles. Mukherjee served as compliance and implementation executive director, w…

Crypto exchange OKX’s CEO for its Middle East and North Africa (MENA) arm urged the industry to focus on delivering real-world utility as interest in real-world asset (RWA) tokenization accelerates.  In a Cointelegraph interview at the Token20249 event in Dubai, OKX MENA CEO Rifad Mahasneh warned that while tokenization is promising, projects must “clearly demonstrate” the benefits of tokenizing specific assets.  “In some cases, we’re tokenizing things that don’t need tokenization, but in some cases, we’re tokenizing things that actually give you real, everyday value, right? And if you can see that everyday value, then that is a promising project,” Mahasneh told Cointelegraph. He said hype can drive project growth in the Web3 space, but providing everyday value should be the priority.  OKX…

Opinion by: Simon Cain, contributor at Bitcoin Policy UK Most jurisdictions globally are researching, developing or implementing retail central bank digital currencies (CBDCs). If you see these as harmless move-with-the-times digital updates of old-fashioned paper money, look again. CBDCs potentially mean financial serfdom via a monetary panopticon where the authorities closely control every transaction.  If you think this sounds paranoid, just consider the words of Augustin Carstens, head of the Bank for International Settlements — the central bank for the world’s central banks. Lamenting the authorities’ current inability to control cash transactions, he says that with a CBDC, a “central bank will have absolute control on the rules and regulations that will determine use... also we will …

Efforts to pass crypto legislation in the US Senate face mounting resistance amid growing ethical concerns around US President Donald Trump’s ties to crypto. In a May 5 letter to the US Office of Government Ethics, Senators Elizabeth Warren and Jeff Merkley said that Trump and his family stand to personally profit from an investment involving UAE state-backed firm MGX, crypto exchange Binance and World Liberty Financial (WLFI). The senators called for an urgent probe, warning the deal may violate the US Constitution’s Emoluments Clause and federal bribery statutes. At the center of the controversy is WLFI’s USD1 stablecoin, reportedly chosen for a $2 billion investment MGX plans to make into Binance. The senators said the transaction amounts to a potential backdoor for foreign influence an…

Bitcoin Core developers have decided to remove a limit on transaction data in the next network upgrade, enabling more data to be included in a more efficient way.  “Bitcoin Core’s next release will, by default, relay and mine transactions whose OP_RETURN outputs exceed 80 bytes and allow any number of these outputs,” read the announcement on GitHub by Bitcoin developer Greg Sanders on May 5.  The long-standing limit was originally a “gentle signal that block space should be used sparingly for non-payment proof of publication data,” has outlived its utility, he added.  The proposal (PR 32359) was created by Bitcoin pioneer Peter Todd at the request of Chaincode Labs.  OP_RETURN is a special type of Bitcoin (BTC) transaction output that allows storing small amounts of data on the blockchain,…

Alex Mashinsky, the founder and former CEO of bankrupt crypto lending platform Celsius, has blasted the government's 20-year “venom-laced” sentence request, declaring it a “death-in-prison sentence.” The US Department of Justice requested Mashinsky receive at least 20 years behind bars in the May 8 sentencing for his role in misleading Celsius users and profiting from the price manipulation of Celsius (CEL), which would make the 59-year-old 79 if he serves the whole sentence. Lawyers acting for Mashinsky argued in a May 5 reply memorandum filed in a New York district court that he should receive no more than 366 days, because the DOJ hasn't taken into account his status as a nonviolent first-time offender with a previously unblemished 30-year history in business.   “The government's venom-…

The Israel-based eToro Group says it’s looking for a valuation of up to $4 billion with its initial public offering in the US, as the stock and crypto trading platform forges ahead with listing on the Nasdaq. The company and existing stockholders are aiming to raise $500 million through offering a total of 10 million shares priced between $46 to $50 apiece, eToro said on May 5. A filing with the US Securities and Exchange Commission shows eToro is offering 5 million shares, with a further 5 million being put up by the likes of the company’s co-founder and CEO, Yoni Assia; his brother and executive director, Ronen Assia; along with venture firms Spark Capital, BRM Group and Andalusian Private Capital, among others. The company offers stock and crypto trading targeting retail and plans to li…

A Russian-Israeli citizen allegedly involved in the $190 million Nomad bridge hack will soon be extradited to the US after he was reportedly arrested at an Israeli airport while boarding a flight to Russia.  Alexander Gurevich will be investigated for his alleged involvement in several “computer crimes,” including laundering millions of dollars and transferring stolen property allegedly connected to the Nomad Bridge hack in 2022, The Jerusalem Post reported on May 5. Gurevich returned to Israel from an overseas trip on April 19 but was ordered to appear before the Jerusalem District Court for an extradition hearing soon after, according to the report.  On April 29, Gurevich changed his name in Israel’s Population Registry to “Alexander Block” and received a passport under that name at Isra…

Two Florida crypto bills have been removed from the legislative process in the latest blow to American state-level strategic Bitcoin reserve ambitions.  Florida’s House Bill 487 and Senate Bill 550 have been “indefinitely postponed and withdrawn from consideration” on May 3, according to the Florida Senate.  Florida’s legislative session adjourned on May 2 without the passage of these two bills, which would have advanced legislation to establish a crypto reserve for the state. The Senate and House agreed to extend the session until June 6 to address budget plans.  Lawmakers passed about 230 bills during the session, dealing with things like prohibiting putting fluoride in the water, protecting state parks, and a school smartphone ban, but diversifying state treasury portfolios was not amon…

A hacker who took over the Tron DAO X account is estimated to have made around $45,000 in improperly solicited funds, according to a spokesperson from Tron.  Speaking to Cointelegraph, the Tron public relations team confirmed that on May 2, the Tron DAO account posted a contract address and sent direct messages to solicit payments in exchange for promotional advertising on the Tron account. “Our security team quickly identified the intrusion and cut off access to the hacker, but we ask the community to continue to be vigilant. We will never ask anyone for payments like this via DM or otherwise,” they said.  The team said that based on the illicit contract address the hacker posted, the amount improperly solicited appeared to be around $45,000.  Asked whether the same hacker could be respon…

The Tron network has drawn closer to regaining the lead from Ethereum in Tether circulation after another big mint by the US stablecoin issuer. On May 5, Tether minted another $1 billion Tether (USDT) on the Tron network, according to Arkham Intelligence. This brings the total USDT on Tron to $71.4 billion, according to the Tether Transparency report.  In comparison, there is currently $72.8 billion USDT circulating on the Ethereum network, so just $1.4 billion more USDT on Tron will see it become the leading network for the world’s largest stablecoin issuer, as it has been previously over the last two years.  Tron was ahead of Ethereum for USDT circulation between July 2022 and November 2024, but a large $18 billion mint on Ethereum pushed the network ahead again, according to CryptoQuant…

The new “Digital Asset Market Structure Discussion Draft” introduced by House Republicans on May 5 could work to reduce the dominance of large crypto firms and promote more participation in the broader market, according to an executive from Paradigm.  The discussion draft, led by the House agricultural and financial services committee chairs Glenn Thompson and French Hill, is an “incremental, albeit meaningful, rewrite” of the Financial Innovation and Technology for the 21st Century Act (FIT21), Paradigm’s vice president of regulatory affairs Justin Slaughter said in a May 5 X post. One-pager of the digital asset market structure discussion draft submitted by House Republicans on May 5. Source: US House Agriculture Committee One of the major changes from FIT21 is that the draft defines an…

Samourai Wallet’s lawyers allege federal prosecutors suppressed advice that the firm didn’t need a license before they charged executives at the crypto mixing service months later.  In a May 5 letter to a Manhattan federal court, lawyers for Samourai co-founders Keonne Rodriguez and William Hill said prosecutors disclosed that the US Treasury Department’s Financial Crimes Enforcement Network (FinCEN) representatives told them six months before they charged the pair “that under FinCEN’s guidance, the Samourai Wallet app would not qualify as a ‘Money Services Business’ requiring a FinCEN license.” “Shockingly, six months later, the same prosecutors criminally charged Keonne Rodriguez and William Hill with operating just such a business without a FinCEN license,” the lawyers added. The letter…

New AWS report reveals 45% of global IT leaders now prioritize generative AI over cybersecurity in 2025 tech budgets as companies race to hire AI talent and implement AI strategies despite persistent skills shortages.  ( 10 min )

One of the standout features of the update is its ability to build full, interactive web apps or simulations from a single prompt.  ( 8 min )

Lightricks unveils groundbreaking LTXV-13B AI video model that runs 30X faster than competitors on consumer hardware through innovative "multiscale rendering" technology.  ( 9 min )

ServiceNow also announced a way for agents to communicate with others along with its new observability platform.  ( 6 min )

OpenAI could see which types of developers use rival models such as the Meta Llama variants and Anthropic's Claude, and for what purposes.  ( 7 min )

Korl's platform works across multiple systems, using multi-agent and multimodal AI to create highly-customized customer messaging.  ( 8 min )

Ōura, maker of a health-monitoring smart ring, announced that it will use AI to track and analyze two new metabolic health features: meals and glucose.  ( 10 min )

IBM details its plans to help enterprises to actually do more with AI, with an expanded set of agentic AI capabilities.  ( 9 min )

Cisco’s Foundation-sec-8B LLM & Meta’s AI Defenders redefine cybersecurity with open-source AI for scalable SOCs.  ( 9 min )

As mobile applications continue to evolve in functionality and scope, securing the APIs that power these apps has become more critical than ever. In the context of Flutter, a framework that enables cross-platform development, understanding how to sec...  ( 14 min )

One of the most tedious tasks for every startup, company, and open-source project is often building and managing documentation – especially for medium to large-scale documentation websites. docs.page is an open-source documentation tool that helps yo...  ( 12 min )

The landscape of Artificial Intelligence is rapidly evolving, and one of the most exciting trends is the ability to run powerful Large Language Models (LLMs) directly on your local machine. This shift away from reliance on cloud-based APIs offers sig...  ( 18 min )

Building serverless AI agents has recently become a lot simpler. With the Langbase Docs MCP server, you can instantly connect AI models to Langbase documentation – making it easy to build composable, agentic AI systems with memory without complex inf...  ( 7 min )

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Bryan Johnson wants to start a new religion in which “the body is God” Bryan Johnson is on a mission to not die. The 47-year-old multimillionaire has already applied his slogan “Don’t Die”…  ( 21 min )

On Thursday I watched Daniela Rus, one of the world’s top experts on AI-powered robots, address a packed room at a Boston robotics expo. Rus spent a portion of her talk busting the notion that giant fleets of humanoids are already making themselves useful in manufacturing and warehouses around the world.  That might come as…  ( 22 min )

realme has confirmed that the latest additions to its GT 7 series of smartphones will be launching in Malaysia soon. As you may recall, the base model as well as a newer “T” variant has recently been spotted in SIRIM, indicating their imminent arrival. Meanwhile, the series’ Pro variant had already made its debut locally […] The post realme Teases New GT 7 Smartphones Launching In Malaysia Soon appeared first on Lowyat.NET.  ( 16 min )

Mr. Deepfakes, one of the largest site for nonconsensual deepfake pornography, is shutting down for good. The site recently posted a notice on its site, saying that it has lost the ability to stay open. “A critical service provider has terminated service permanently. Data loss has made it impossible to continue operation. We will not […] The post A Leading Deepfake Porn Site Has Been Shut Down, Forever appeared first on Lowyat.NET.  ( 16 min )

Leaks featuring an alleged prototype of a 360-degree camera by action cam and drone manufacturer DJI have surfaced online. Thanks to tipsters hakasushi and Igor Bogdanov (aka @Quadro_News), details, images and even a Quick Start Guide of the alleged device were shared on X for all to see. Based on the materials provided, the DJI […] The post A Prototype Of DJI’s 360-Degree Camera Leaks Online appeared first on Lowyat.NET.  ( 16 min )

At times, people purchase cars to experience their full performance anywhere and anytime they please. Unfortunately, this wasn’t the case for owners of Xiaomi’s SU7 Ultra owners in China after a recent update had pretty much nerfed its 1,548 HP power output to a mere 900HP. As you’d expect, customers weren’t happy with this decision, […] The post Xiaomi Lifts SU7 Ultra EV’s Performance Restriction After Customer Complaints appeared first on Lowyat.NET.  ( 17 min )

The Technics AZ100 launched earlier this year and serve as the successor to the AZ80 that I reviewed nearly two years ago. Considering how its predecessor wowed from the get-go, I actually started out this review with relatively high expectations. And boy, these earbuds did not fail to impress. What Am I Looking At? Both […] The post Technics AZ100 Lightning Review: The Hard-Hitting Sequel appeared first on Lowyat.NET.  ( 20 min )

Gemini, Google’s AI chatbot, has now received an update allowing users to upload up to ten images per prompt. This will affect Android, iOS, and web users. Previously, the limit for uploaded pictures was one for every prompt. Users who attempted to upload more than one image to Gemini prior to the update would receive […] The post Google Gemini Now Allows 10 Image Uploads Per Prompt appeared first on Lowyat.NET.  ( 15 min )

Infinix is reportedly working on its first ever gaming tablet called the XPAD GT. The brand has yet to officially confirm the arrival of the upcoming device, but it has made an appearance on the SIRIM database, indicating that it will be making its way to Malaysia soon after its unveiling. The XPAD GT was […] The post Infinix XPAD GT Gets SIRIM Certification appeared first on Lowyat.NET.  ( 15 min )